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1045154540 = 225371499479
BaseRepresentation
bin111110010010111…
…100101011101100
32200211122100111102
4332102330223230
54120024421130
6251413142232
734620444533
oct7622745354
92624570442
101045154540
11496a65091
1225202a978
131386b9c51
149cb4331a
1561b50645
hex3e4bcaec

1045154540 has 48 divisors (see below), whose sum is σ = 2269512000. Its totient is φ = 403990272.

The previous prime is 1045154521. The next prime is 1045154573. The reversal of 1045154540 is 454515401.

It is a super-2 number, since 2×10451545402 = 2184696024965223200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105521 + ... + 114999.

It is an arithmetic number, because the mean of its divisors is an integer number (47281500).

Almost surely, 21045154540 is an apocalyptic number.

1045154540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1045154540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1134756000).

1045154540 is an abundant number, since it is smaller than the sum of its proper divisors (1224357460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1045154540 is a wasteful number, since it uses less digits than its factorization.

1045154540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9674 (or 9672 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 1045154540 is about 32328.8499640801. The cubic root of 1045154540 is about 1014.8304828245.

Adding to 1045154540 its reverse (454515401), we get a palindrome (1499669941).

The spelling of 1045154540 in words is "one billion, forty-five million, one hundred fifty-four thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 37 74 148 149 185 298 370 596 740 745 1490 2980 5513 9479 11026 18958 22052 27565 37916 47395 55130 94790 110260 189580 350723 701446 1402892 1412371 1753615 2824742 3507230 5649484 7014460 7061855 14123710 28247420 52257727 104515454 209030908 261288635 522577270 1045154540