45510431 has 2 divisors, whose sum is σ = 45510432. Its totient is φ = 45510430.

The previous prime is 45510419. The next prime is 45510457. The reversal of 45510431 is 13401554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45510431 - 2¹⁰ = 45509407 is a prime.

It is a super-2 number, since 2×45510431² = 4142398659611522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45510397 and 45510406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45510401) 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 as a sum of consecutive naturals, namely, 22755215 + 22755216.

It is an arithmetic number, because the mean of its divisors is an integer number (22755216).

Almost surely, 2^45510431 is an apocalyptic number.

45510431 is a deficient number, since it is larger than the sum of its proper divisors (1).

45510431 is an equidigital number, since it uses as much as digits as its factorization.

45510431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 45510431 is about 6746.1419344689. The cubic root of 45510431 is about 357.0291282298.

Adding to 45510431 its reverse (13401554), we get a palindrome (58911985).

The spelling of 45510431 in words is "forty-five million, five hundred ten thousand, four hundred thirty-one".