165030542 has 16 divisors (see below), whose sum is σ = 260964240. Its totient is φ = 78055488.

The previous prime is 165030533. The next prime is 165030557. The reversal of 165030542 is 245030561.

165030542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25898 + ... + 31634.

It is an arithmetic number, because the mean of its divisors is an integer number (16310265).

Almost surely, 2^165030542 is an apocalyptic number.

165030542 is a deficient number, since it is larger than the sum of its proper divisors (95933698).

165030542 is a wasteful number, since it uses less digits than its factorization.

165030542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6515.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 165030542 is about 12846.4213693931. The cubic root of 165030542 is about 548.5144949659.

The spelling of 165030542 in words is "one hundred sixty-five million, thirty thousand, five hundred forty-two".