1345745937 has 16 divisors (see below), whose sum is σ = 1817640000. Its totient is φ = 885570624.

The previous prime is 1345745923. The next prime is 1345745941. The reversal of 1345745937 is 7395475431.

It is a happy number.

It is not a de Polignac number, because 1345745937 - 2²⁴ = 1328968721 is a prime.

It is a super-2 number, since 2×1345745937² = 3622064253904015938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1345745837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80314 + ... + 95612.

It is an arithmetic number, because the mean of its divisors is an integer number (113602500).

Almost surely, 2^1345745937 is an apocalyptic number.

It is an amenable number.

1345745937 is a deficient number, since it is larger than the sum of its proper divisors (471894063).

1345745937 is a wasteful number, since it uses less digits than its factorization.

1345745937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15680.

The product of its digits is 1587600, while the sum is 48.

The square root of 1345745937 is about 36684.4099993444. The cubic root of 1345745937 is about 1104.0473316126.

The spelling of 1345745937 in words is "one billion, three hundred forty-five million, seven hundred forty-five thousand, nine hundred thirty-seven".