45993431 has 24 divisors (see below), whose sum is σ = 52910592. Its totient is φ = 39916800.

The previous prime is 45993427. The next prime is 45993463. The reversal of 45993431 is 13439954.

It is not a de Polignac number, because 45993431 - 2² = 45993427 is a prime.

It is a super-2 number, since 2×45993431² = 4230791390303522, 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 (45993131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 362090 + ... + 362216.

It is an arithmetic number, because the mean of its divisors is an integer number (2204608).

Almost surely, 2^45993431 is an apocalyptic number.

45993431 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

45993431 is a deficient number, since it is larger than the sum of its proper divisors (6917161).

45993431 is a wasteful number, since it uses less digits than its factorization.

45993431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 252 counting only the distinct ones).

The product of its digits is 58320, while the sum is 38.

The square root of 45993431 is about 6781.8456927300. The cubic root of 45993431 is about 358.2877304625.

The spelling of 45993431 in words is "forty-five million, nine hundred ninety-three thousand, four hundred thirty-one".