15452155 has 4 divisors (see below), whose sum is σ = 18542592. Its totient is φ = 12361720.

The previous prime is 15452153. The next prime is 15452183. The reversal of 15452155 is 55125451.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 15452155 - 2¹ = 15452153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15452153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1545211 + ... + 1545220.

It is an arithmetic number, because the mean of its divisors is an integer number (4635648).

Almost surely, 2^15452155 is an apocalyptic number.

15452155 is a deficient number, since it is larger than the sum of its proper divisors (3090437).

15452155 is an equidigital number, since it uses as much as digits as its factorization.

15452155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090436.

The product of its digits is 5000, while the sum is 28.

The square root of 15452155 is about 3930.9229196208. The cubic root of 15452155 is about 249.0747397989.

The spelling of 15452155 in words is "fifteen million, four hundred fifty-two thousand, one hundred fifty-five".