45054431 has 2 divisors, whose sum is σ = 45054432. Its totient is φ = 45054430.

The previous prime is 45054409. The next prime is 45054433. The reversal of 45054431 is 13445054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45054431 - 2¹⁴ = 45038047 is a prime.

It is a super-2 number, since 2×45054431² = 4059803505467522, which contains 22 as substring.

Together with 45054433, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45054431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45054433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22527215 + 22527216.

It is an arithmetic number, because the mean of its divisors is an integer number (22527216).

Almost surely, 2^45054431 is an apocalyptic number.

45054431 is a deficient number, since it is larger than the sum of its proper divisors (1).

45054431 is an equidigital number, since it uses as much as digits as its factorization.

45054431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 45054431 is about 6712.2597536150. The cubic root of 45054431 is about 355.8326839688.

Adding to 45054431 its reverse (13445054), we get a palindrome (58499485).

The spelling of 45054431 in words is "forty-five million, fifty-four thousand, four hundred thirty-one".