45621198 has 32 divisors (see below), whose sum is σ = 115864320. Its totient is φ = 13034520.

The previous prime is 45621179. The next prime is 45621203. The reversal of 45621198 is 89112654.

45621198 is a `hidden beast` number, since 4 + 562 + 1 + 1 + 98 = 666.

It is a super-3 number, since 3×45621198³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59968 + ... + 60723.

It is an arithmetic number, because the mean of its divisors is an integer number (3620760).

Almost surely, 2^45621198 is an apocalyptic number.

45621198 is an abundant number, since it is smaller than the sum of its proper divisors (70243122).

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

45621198 is a wasteful number, since it uses less digits than its factorization.

45621198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120709 (or 120703 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 45621198 is about 6754.3466005233. The cubic root of 45621198 is about 357.3185490916.

The spelling of 45621198 in words is "forty-five million, six hundred twenty-one thousand, one hundred ninety-eight".