45878507 has 2 divisors, whose sum is σ = 45878508. Its totient is φ = 45878506.

The previous prime is 45878489. The next prime is 45878513. The reversal of 45878507 is 70587854.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45878507 - 2²⁰ = 44829931 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (45878587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22939253 + 22939254.

It is an arithmetic number, because the mean of its divisors is an integer number (22939254).

Almost surely, 2^45878507 is an apocalyptic number.

45878507 is a deficient number, since it is larger than the sum of its proper divisors (1).

45878507 is an equidigital number, since it uses as much as digits as its factorization.

45878507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 313600, while the sum is 44.

The square root of 45878507 is about 6773.3674785885. The cubic root of 45878507 is about 357.9890631575.

The spelling of 45878507 in words is "forty-five million, eight hundred seventy-eight thousand, five hundred seven".