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1145162408 = 231371155087
BaseRepresentation
bin100010001000001…
…1100101010101000
32221210211021111112
41010100130222220
54321130144113
6305344445452
740243501625
oct10420345250
92853737445
101145162408
11538461515
1227b619888
131533341c0
14ac13734c
156a8075a8
hex4441caa8

1145162408 has 32 divisors (see below), whose sum is σ = 2344930560. Its totient is φ = 521088960.

The previous prime is 1145162383. The next prime is 1145162419. The reversal of 1145162408 is 8042615411.

It is a super-2 number, since 2×11451624082 = 2622793881392716928, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70160 + ... + 84927.

It is an arithmetic number, because the mean of its divisors is an integer number (73279080).

Almost surely, 21145162408 is an apocalyptic number.

It is an amenable number.

1145162408 is an abundant number, since it is smaller than the sum of its proper divisors (1199768152).

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

1145162408 is a wasteful number, since it uses less digits than its factorization.

1145162408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155177 (or 155173 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 1145162408 is about 33840.2483442424. The cubic root of 1145162408 is about 1046.2184175132.

Adding to 1145162408 its reverse (8042615411), we get a palindrome (9187777819).

The spelling of 1145162408 in words is "one billion, one hundred forty-five million, one hundred sixty-two thousand, four hundred eight".

Divisors: 1 2 4 8 13 26 52 71 104 142 284 568 923 1846 3692 7384 155087 310174 620348 1240696 2016131 4032262 8064524 11011177 16129048 22022354 44044708 88089416 143145301 286290602 572581204 1145162408