44645431 has 2 divisors, whose sum is σ = 44645432. Its totient is φ = 44645430.

The previous prime is 44645411. The next prime is 44645437. The reversal of 44645431 is 13454644.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44645431 - 2¹³ = 44637239 is a prime.

It is a super-2 number, since 2×44645431² = 3986429018351522, which contains 22 as substring.

It is equal to p_2698042 and since 44645431 and 2698042 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 44645393 and 44645402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44645437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22322715 + 22322716.

It is an arithmetic number, because the mean of its divisors is an integer number (22322716).

Almost surely, 2^44645431 is an apocalyptic number.

44645431 is a deficient number, since it is larger than the sum of its proper divisors (1).

44645431 is an equidigital number, since it uses as much as digits as its factorization.

44645431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 31.

The square root of 44645431 is about 6681.7236548663. The cubic root of 44645431 is about 354.7526704147.

The spelling of 44645431 in words is "forty-four million, six hundred forty-five thousand, four hundred thirty-one".