45426431 has 4 divisors (see below), whose sum is σ = 48098592. Its totient is φ = 42754272.

The previous prime is 45426421. The next prime is 45426443. The reversal of 45426431 is 13462454.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45426431 - 2²² = 41232127 is a prime.

It is a super-2 number, since 2×45426431² = 4127121266795522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45426394 and 45426403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45426421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1336055 + ... + 1336088.

It is an arithmetic number, because the mean of its divisors is an integer number (12024648).

Almost surely, 2^45426431 is an apocalyptic number.

45426431 is a deficient number, since it is larger than the sum of its proper divisors (2672161).

45426431 is a wasteful number, since it uses less digits than its factorization.

45426431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672160.

The product of its digits is 11520, while the sum is 29.

The square root of 45426431 is about 6739.9132783738. The cubic root of 45426431 is about 356.8093330716.

Adding to 45426431 its reverse (13462454), we get a palindrome (58888885).

The spelling of 45426431 in words is "forty-five million, four hundred twenty-six thousand, four hundred thirty-one".