15132155 has 4 divisors (see below), whose sum is σ = 18158592. Its totient is φ = 12105720.

The previous prime is 15132133. The next prime is 15132191. The reversal of 15132155 is 55123151.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55123151 = 47 ⋅1172833.

It is not a de Polignac number, because 15132155 - 2¹² = 15128059 is a prime.

It is a super-2 number, since 2×15132155² = 457964229888050, which contains 22 as substring.

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 15132155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1513211 + ... + 1513220.

It is an arithmetic number, because the mean of its divisors is an integer number (4539648).

Almost surely, 2^15132155 is an apocalyptic number.

15132155 is a deficient number, since it is larger than the sum of its proper divisors (3026437).

15132155 is an equidigital number, since it uses as much as digits as its factorization.

15132155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3026436.

The product of its digits is 750, while the sum is 23.

The square root of 15132155 is about 3890.0070694023. The cubic root of 15132155 is about 247.3433624398.

The spelling of 15132155 in words is "fifteen million, one hundred thirty-two thousand, one hundred fifty-five".