45137394 has 24 divisors (see below), whose sum is σ = 97935552. Its totient is φ = 15024600.

The previous prime is 45137387. The next prime is 45137423. The reversal of 45137394 is 49373154.

It is a super-2 number, since 2×45137394² = 4074768674222472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16419 + ... + 18969.

It is an arithmetic number, because the mean of its divisors is an integer number (4080648).

Almost surely, 2^45137394 is an apocalyptic number.

45137394 is an abundant number, since it is smaller than the sum of its proper divisors (52798158).

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

45137394 is a wasteful number, since it uses less digits than its factorization.

45137394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3542 (or 3539 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 45137394 is about 6718.4368717731. The cubic root of 45137394 is about 356.0509595443.

The spelling of 45137394 in words is "forty-five million, one hundred thirty-seven thousand, three hundred ninety-four".