45899506 has 4 divisors (see below), whose sum is σ = 68849262. Its totient is φ = 22949752.

The previous prime is 45899479. The next prime is 45899509. The reversal of 45899506 is 60599854.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36542025 + 9357481 = 6045^2 + 3059^2 .

It is not an unprimeable number, because it can be changed into a prime (45899509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11474875 + ... + 11474878.

Almost surely, 2^45899506 is an apocalyptic number.

45899506 is a deficient number, since it is larger than the sum of its proper divisors (22949756).

45899506 is a wasteful number, since it uses less digits than its factorization.

45899506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22949755.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 45899506 is about 6774.9174164708. The cubic root of 45899506 is about 358.0436730841.

The spelling of 45899506 in words is "forty-five million, eight hundred ninety-nine thousand, five hundred six".