15042258 has 48 divisors (see below), whose sum is σ = 40637376. Its totient is φ = 3906720.

The previous prime is 15042257. The next prime is 15042277. The reversal of 15042258 is 85224051.

It is a happy number.

15042258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (15042257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4041 + ... + 6812.

It is an arithmetic number, because the mean of its divisors is an integer number (846612).

Almost surely, 2^15042258 is an apocalyptic number.

15042258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

15042258 is an abundant number, since it is smaller than the sum of its proper divisors (25595118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15042258 is a wasteful number, since it uses less digits than its factorization.

15042258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10879 (or 10876 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 15042258 is about 3878.4349936540. The cubic root of 15042258 is about 246.8525840460.

The spelling of 15042258 in words is "fifteen million, forty-two thousand, two hundred fifty-eight".