165025142 has 8 divisors (see below), whose sum is σ = 253294536. Its totient is φ = 80593632.

The previous prime is 165025139. The next prime is 165025153. The reversal of 165025142 is 241520561.

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

It is a congruent number.

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, 959363 + ... + 959534.

It is an arithmetic number, because the mean of its divisors is an integer number (31661817).

Almost surely, 2^165025142 is an apocalyptic number.

165025142 is a deficient number, since it is larger than the sum of its proper divisors (88269394).

165025142 is a wasteful number, since it uses less digits than its factorization.

165025142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918942.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 165025142 is about 12846.2111924100. The cubic root of 165025142 is about 548.5085122135.

The spelling of 165025142 in words is "one hundred sixty-five million, twenty-five thousand, one hundred forty-two".