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2045153145 = 35719477649
BaseRepresentation
bin111100111100110…
…1000111101111001
312021112022112200210
41321321220331321
513142024400040
6534534421333
7101452341420
oct17171507571
95245275623
102045153145
1195a487912
12490b01849
132679265b9
141558902b7
15be831480
hex79e68f79

2045153145 has 16 divisors (see below), whose sum is σ = 3739708800. Its totient is φ = 934927104.

The previous prime is 2045153101. The next prime is 2045153153. The reversal of 2045153145 is 5413515402.

It is not a de Polignac number, because 2045153145 - 29 = 2045152633 is a prime.

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, 9738720 + ... + 9738929.

It is an arithmetic number, because the mean of its divisors is an integer number (233731800).

Almost surely, 22045153145 is an apocalyptic number.

It is an amenable number.

2045153145 is a deficient number, since it is larger than the sum of its proper divisors (1694555655).

2045153145 is a wasteful number, since it uses less digits than its factorization.

2045153145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19477664.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 2045153145 is about 45223.3694565100. The cubic root of 2045153145 is about 1269.3321441540.

Adding to 2045153145 its reverse (5413515402), we get a palindrome (7458668547).

The spelling of 2045153145 in words is "two billion, forty-five million, one hundred fifty-three thousand, one hundred forty-five".

Divisors: 1 3 5 7 15 21 35 105 19477649 58432947 97388245 136343543 292164735 409030629 681717715 2045153145