15345055 has 8 divisors (see below), whose sum is σ = 20088144. Its totient is φ = 11160000.

The previous prime is 15345053. The next prime is 15345059. The reversal of 15345055 is 55054351.

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

It is not a de Polignac number, because 15345055 - 2¹ = 15345053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15345053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139446 + ... + 139555.

It is an arithmetic number, because the mean of its divisors is an integer number (2511018).

Almost surely, 2^15345055 is an apocalyptic number.

15345055 is a deficient number, since it is larger than the sum of its proper divisors (4743089).

15345055 is a wasteful number, since it uses less digits than its factorization.

15345055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279017.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 15345055 is about 3917.2764773500. The cubic root of 15345055 is about 248.4979534990.

The spelling of 15345055 in words is "fifteen million, three hundred forty-five thousand, fifty-five".