45210155 has 16 divisors (see below), whose sum is σ = 55059264. Its totient is φ = 35635200.

The previous prime is 45210149. The next prime is 45210161. The reversal of 45210155 is 55101254.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45210149) and next prime (45210161).

It is not a de Polignac number, because 45210155 - 2⁶ = 45210091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45210155.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175787 + ... + 176043.

It is an arithmetic number, because the mean of its divisors is an integer number (3441204).

Almost surely, 2^45210155 is an apocalyptic number.

45210155 is a deficient number, since it is larger than the sum of its proper divisors (9849109).

45210155 is a wasteful number, since it uses less digits than its factorization.

45210155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 45210155 is about 6723.8497157506. The cubic root of 45210155 is about 356.2421736251.

The spelling of 45210155 in words is "forty-five million, two hundred ten thousand, one hundred fifty-five".