45906439 has 2 divisors, whose sum is σ = 45906440. Its totient is φ = 45906438.

The previous prime is 45906433. The next prime is 45906481. The reversal of 45906439 is 93460954.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45906439 - 2³ = 45906431 is a prime.

It is a super-2 number, since 2×45906439² = 4214802283321442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45906431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22953219 + 22953220.

It is an arithmetic number, because the mean of its divisors is an integer number (22953220).

Almost surely, 2^45906439 is an apocalyptic number.

45906439 is a deficient number, since it is larger than the sum of its proper divisors (1).

45906439 is an equidigital number, since it uses as much as digits as its factorization.

45906439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 45906439 is about 6775.4290639044. The cubic root of 45906439 is about 358.0616993624.

The spelling of 45906439 in words is "forty-five million, nine hundred six thousand, four hundred thirty-nine".