45251055 has 20 divisors (see below), whose sum is σ = 81117432. Its totient is φ = 24133680.

The previous prime is 45251039. The next prime is 45251077. The reversal of 45251055 is 55015254.

It is not a de Polignac number, because 45251055 - 2⁴ = 45251039 is a prime.

It is a super-2 number, since 2×45251055² = 4095315957226050, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55461 + ... + 56270.

Almost surely, 2^45251055 is an apocalyptic number.

45251055 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45251055 is a deficient number, since it is larger than the sum of its proper divisors (35866377).

45251055 is a wasteful number, since it uses less digits than its factorization.

45251055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111748 (or 111739 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 45251055 is about 6726.8904406122. The cubic root of 45251055 is about 356.3495677372.

The spelling of 45251055 in words is "forty-five million, two hundred fifty-one thousand, fifty-five".