165142244454 has 16 divisors (see below), whose sum is σ = 360310351680. Its totient is φ = 50043104360.

The previous prime is 165142244431. The next prime is 165142244497. The reversal of 165142244454 is 454442241561.

It is a happy number.

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, 1251077544 + ... + 1251077675.

It is an arithmetic number, because the mean of its divisors is an integer number (22519396980).

Almost surely, 2^165142244454 is an apocalyptic number.

165142244454 is an abundant number, since it is smaller than the sum of its proper divisors (195168107226).

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

165142244454 is a wasteful number, since it uses less digits than its factorization.

165142244454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502155235.

The product of its digits is 614400, while the sum is 42.

The spelling of 165142244454 in words is "one hundred sixty-five billion, one hundred forty-two million, two hundred forty-four thousand, four hundred fifty-four".