162651142 has 4 divisors (see below), whose sum is σ = 243976716. Its totient is φ = 81325570.

The previous prime is 162651133. The next prime is 162651157. The reversal of 162651142 is 241156261.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 162651142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40662784 + ... + 40662787.

It is an arithmetic number, because the mean of its divisors is an integer number (60994179).

Almost surely, 2^162651142 is an apocalyptic number.

162651142 is a deficient number, since it is larger than the sum of its proper divisors (81325574).

162651142 is an equidigital number, since it uses as much as digits as its factorization.

162651142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81325573.

The product of its digits is 2880, while the sum is 28.

The square root of 162651142 is about 12753.4756831226. The cubic root of 162651142 is about 545.8655740307.

The spelling of 162651142 in words is "one hundred sixty-two million, six hundred fifty-one thousand, one hundred forty-two".