45132155 has 8 divisors (see below), whose sum is σ = 55418352. Its totient is φ = 35265888.

The previous prime is 45132137. The next prime is 45132179. The reversal of 45132155 is 55123154.

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 45132155 - 2⁸ = 45131899 is a prime.

It is a super-2 number, since 2×45132155² = 4073822829888050, which contains 22 as substring.

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, 104744 + ... + 105173.

It is an arithmetic number, because the mean of its divisors is an integer number (6927294).

Almost surely, 2^45132155 is an apocalyptic number.

45132155 is a deficient number, since it is larger than the sum of its proper divisors (10286197).

45132155 is a wasteful number, since it uses less digits than its factorization.

45132155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209965.

The product of its digits is 3000, while the sum is 26.

The square root of 45132155 is about 6718.0469632178. The cubic root of 45132155 is about 356.0371836555.

Subtracting 45132155 from its reverse (55123154), we obtain a palindrome (9990999).

The spelling of 45132155 in words is "forty-five million, one hundred thirty-two thousand, one hundred fifty-five".