45258507 has 56 divisors (see below), whose sum is σ = 79570400. Its totient is φ = 25719120.

The previous prime is 45258497. The next prime is 45258517. The reversal of 45258507 is 70585254.

It is a happy number.

45258507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45258497) and next prime (45258517).

It is not a de Polignac number, because 45258507 - 2⁴ = 45258491 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (45258517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 249957 + ... + 250137.

It is an arithmetic number, because the mean of its divisors is an integer number (1420900).

Almost surely, 2^45258507 is an apocalyptic number.

45258507 is a deficient number, since it is larger than the sum of its proper divisors (34311893).

45258507 is an frugal number, since it uses more digits than its factorization.

45258507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 45258507 is about 6727.4443141508. Note that the first 3 decimals coincide. The cubic root of 45258507 is about 356.3691280268.

The spelling of 45258507 in words is "forty-five million, two hundred fifty-eight thousand, five hundred seven".