45487170 has 48 divisors (see below), whose sum is σ = 122653440. Its totient is φ = 12129264.

The previous prime is 45487153. The next prime is 45487187. The reversal of 45487170 is 7178454.

45487170 is a `hidden beast` number, since 4 + 5 + 487 + 170 = 666.

It is an interprime number because it is at equal distance from previous prime (45487153) and next prime (45487187).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6930 + ... + 11789.

It is an arithmetic number, because the mean of its divisors is an integer number (2555280).

Almost surely, 2^45487170 is an apocalyptic number.

45487170 is an abundant number, since it is smaller than the sum of its proper divisors (77166270).

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

45487170 is a wasteful number, since it uses less digits than its factorization.

45487170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18741 (or 18729 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 45487170 is about 6744.4176916914. The cubic root of 45487170 is about 356.9682903832.

The spelling of 45487170 in words is "forty-five million, four hundred eighty-seven thousand, one hundred seventy".