45913031 has 8 divisors (see below), whose sum is σ = 47054784. Its totient is φ = 44778240.

The previous prime is 45913019. The next prime is 45913051. The reversal of 45913031 is 13031954.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45913031 is a prime.

It is a super-2 number, since 2×45913031² = 4216012831213922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45913001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13151 + ... + 16271.

It is an arithmetic number, because the mean of its divisors is an integer number (5881848).

Almost surely, 2^45913031 is an apocalyptic number.

45913031 is a deficient number, since it is larger than the sum of its proper divisors (1141753).

45913031 is a wasteful number, since it uses less digits than its factorization.

45913031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3481.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 45913031 is about 6775.9155100990. The cubic root of 45913031 is about 358.0788373341.

Adding to 45913031 its reverse (13031954), we get a palindrome (58944985).

The spelling of 45913031 in words is "forty-five million, nine hundred thirteen thousand, thirty-one".