45165155 has 8 divisors (see below), whose sum is σ = 61940832. Its totient is φ = 30970368.

The previous prime is 45165121. The next prime is 45165161. The reversal of 45165155 is 55156154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45165155 - 2⁶ = 45165091 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645182 + ... + 645251.

It is an arithmetic number, because the mean of its divisors is an integer number (7742604).

Almost surely, 2^45165155 is an apocalyptic number.

45165155 is a deficient number, since it is larger than the sum of its proper divisors (16775677).

45165155 is a wasteful number, since it uses less digits than its factorization.

45165155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290445.

The product of its digits is 15000, while the sum is 32.

The square root of 45165155 is about 6720.5025853726. The cubic root of 45165155 is about 356.1239389826.

Subtracting 45165155 from its reverse (55156154), we obtain a palindrome (9990999).

The spelling of 45165155 in words is "forty-five million, one hundred sixty-five thousand, one hundred fifty-five".