45276431 has 4 divisors (see below), whose sum is σ = 45716112. Its totient is φ = 44836752.

The previous prime is 45276409. The next prime is 45276433. The reversal of 45276431 is 13467254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13467254 = 2 ⋅6733627.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45276431 is a prime.

It is a super-2 number, since 2×45276431² = 4099910408195522, 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 (45276433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219686 + ... + 219891.

It is an arithmetic number, because the mean of its divisors is an integer number (11429028).

Almost surely, 2^45276431 is an apocalyptic number.

45276431 is a deficient number, since it is larger than the sum of its proper divisors (439681).

45276431 is a wasteful number, since it uses less digits than its factorization.

45276431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439680.

The product of its digits is 20160, while the sum is 32.

The square root of 45276431 is about 6728.7763374926. The cubic root of 45276431 is about 356.4161668241.

The spelling of 45276431 in words is "forty-five million, two hundred seventy-six thousand, four hundred thirty-one".