165253142 has 8 divisors (see below), whose sum is σ = 248122776. Its totient is φ = 82545552.

The previous prime is 165253117. The next prime is 165253147. The reversal of 165253142 is 241352561.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165253147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37928 + ... + 42059.

It is an arithmetic number, because the mean of its divisors is an integer number (31015347).

Almost surely, 2^165253142 is an apocalyptic number.

165253142 is a deficient number, since it is larger than the sum of its proper divisors (82869634).

165253142 is a wasteful number, since it uses less digits than its factorization.

165253142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81022.

The product of its digits is 7200, while the sum is 29.

The square root of 165253142 is about 12855.0823412376. The cubic root of 165253142 is about 548.7610038215.

The spelling of 165253142 in words is "one hundred sixty-five million, two hundred fifty-three thousand, one hundred forty-two".