45981297 has 16 divisors (see below), whose sum is σ = 68230080. Its totient is φ = 30604896.

The previous prime is 45981293. The next prime is 45981307. The reversal of 45981297 is 79218954.

It is not a de Polignac number, because 45981297 - 2² = 45981293 is a prime.

It is a super-2 number, since 2×45981297² = 4228559347604418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45981293) 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, 24838 + ... + 26624.

It is an arithmetic number, because the mean of its divisors is an integer number (4264380).

Almost surely, 2^45981297 is an apocalyptic number.

It is an amenable number.

45981297 is a deficient number, since it is larger than the sum of its proper divisors (22248783).

45981297 is a wasteful number, since it uses less digits than its factorization.

45981297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749 (or 2743 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 45981297 is about 6780.9510394929. The cubic root of 45981297 is about 358.2562198344.

The spelling of 45981297 in words is "forty-five million, nine hundred eighty-one thousand, two hundred ninety-seven".