45991230 has 16 divisors (see below), whose sum is σ = 110379024. Its totient is φ = 12264320.

The previous prime is 45991223. The next prime is 45991243. The reversal of 45991230 is 3219954.

It is a junction number, because it is equal to n+sod(n) for n = 45991191 and 45991200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766491 + ... + 766550.

It is an arithmetic number, because the mean of its divisors is an integer number (6898689).

Almost surely, 2^45991230 is an apocalyptic number.

45991230 is an abundant number, since it is smaller than the sum of its proper divisors (64387794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45991230 is a wasteful number, since it uses less digits than its factorization.

45991230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533051.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 45991230 is about 6781.6834193289. The cubic root of 45991230 is about 358.2820151255.

The spelling of 45991230 in words is "forty-five million, nine hundred ninety-one thousand, two hundred thirty".