7155042 has 16 divisors (see below), whose sum is σ = 14452992. Its totient is φ = 2361200.

The previous prime is 7155041. The next prime is 7155059. The reversal of 7155042 is 2405517.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (7155041) 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, 5298 + ... + 6509.

It is an arithmetic number, because the mean of its divisors is an integer number (903312).

Almost surely, 2^7155042 is an apocalyptic number.

7155042 is an abundant number, since it is smaller than the sum of its proper divisors (7297950).

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

7155042 is a wasteful number, since it uses less digits than its factorization.

7155042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11913.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 7155042 is about 2674.8910258177. The cubic root of 7155042 is about 192.6951256969.

The spelling of 7155042 in words is "seven million, one hundred fifty-five thousand, forty-two".