165457042 has 8 divisors (see below), whose sum is σ = 249829632. Its totient is φ = 82180500.

The previous prime is 165457031. The next prime is 165457057. The reversal of 165457042 is 240754561.

165457042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 165456989 and 165457007.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273634 + ... + 274237.

It is an arithmetic number, because the mean of its divisors is an integer number (31228704).

Almost surely, 2^165457042 is an apocalyptic number.

165457042 is a deficient number, since it is larger than the sum of its proper divisors (84372590).

165457042 is a wasteful number, since it uses less digits than its factorization.

165457042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548024.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 165457042 is about 12863.0106118280. The cubic root of 165457042 is about 548.9866099811.

The spelling of 165457042 in words is "one hundred sixty-five million, four hundred fifty-seven thousand, forty-two".