45112155 has 32 divisors (see below), whose sum is σ = 79550208. Its totient is φ = 21648000.

The previous prime is 45112147. The next prime is 45112159. The reversal of 45112155 is 55121154.

It is not a de Polignac number, because 45112155 - 2³ = 45112147 is a prime.

It is a super-3 number, since 3×45112155³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (45112159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15312 + ... + 18018.

It is an arithmetic number, because the mean of its divisors is an integer number (2485944).

Almost surely, 2^45112155 is an apocalyptic number.

45112155 is a deficient number, since it is larger than the sum of its proper divisors (34438053).

45112155 is a wasteful number, since it uses less digits than its factorization.

45112155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827.

The product of its digits is 1000, while the sum is 24.

The square root of 45112155 is about 6716.5582704239. The cubic root of 45112155 is about 355.9845840861.

It can be divided in two parts, 4511 and 2155, that added together give a palindrome (6666).

The spelling of 45112155 in words is "forty-five million, one hundred twelve thousand, one hundred fifty-five".