45027171 has 48 divisors (see below), whose sum is σ = 78134784. Its totient is φ = 25380864.

The previous prime is 45027167. The next prime is 45027173. The reversal of 45027171 is 17172054.

It is not a de Polignac number, because 45027171 - 2² = 45027167 is a prime.

It is a super-2 number, since 2×45027171² = 4054892256526482, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (45027173) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 175075 + ... + 175331.

It is an arithmetic number, because the mean of its divisors is an integer number (1627808).

Almost surely, 2^45027171 is an apocalyptic number.

45027171 is a deficient number, since it is larger than the sum of its proper divisors (33107613).

45027171 is a wasteful number, since it uses less digits than its factorization.

45027171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 45027171 is about 6710.2288336539. The cubic root of 45027171 is about 355.7609044514.

The spelling of 45027171 in words is "forty-five million, twenty-seven thousand, one hundred seventy-one".