45502155 has 40 divisors (see below), whose sum is σ = 82061232. Its totient is φ = 24121152.

The previous prime is 45502153. The next prime is 45502201. The reversal of 45502155 is 55120554.

45502155 is a `hidden beast` number, since 4 + 5 + 502 + 155 = 666.

It is not a de Polignac number, because 45502155 - 2¹ = 45502153 is a prime.

It is a super-2 number, since 2×45502155² = 4140892219288050, 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 (45502153) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 114417 + ... + 114813.

Almost surely, 2^45502155 is an apocalyptic number.

45502155 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45502155 is a deficient number, since it is larger than the sum of its proper divisors (36559077).

45502155 is a wasteful number, since it uses less digits than its factorization.

45502155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697 (or 688 counting only the distinct ones).

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

The square root of 45502155 is about 6745.5285189524. The cubic root of 45502155 is about 357.0074851901.

The spelling of 45502155 in words is "forty-five million, five hundred two thousand, one hundred fifty-five".