162153734 has 4 divisors (see below), whose sum is σ = 243230604. Its totient is φ = 81076866.

The previous prime is 162153709. The next prime is 162153743. The reversal of 162153734 is 437351261.

162153734 is nontrivially palindromic in base 15.

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 162153734.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40538432 + ... + 40538435.

It is an arithmetic number, because the mean of its divisors is an integer number (60807651).

Almost surely, 2^162153734 is an apocalyptic number.

162153734 is a deficient number, since it is larger than the sum of its proper divisors (81076870).

162153734 is an equidigital number, since it uses as much as digits as its factorization.

162153734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81076869.

The product of its digits is 15120, while the sum is 32.

The square root of 162153734 is about 12733.9598711477. The cubic root of 162153734 is about 545.3085635887.

It can be divided in two parts, 1621 and 53734, that added together give a palindrome (55355).

The spelling of 162153734 in words is "one hundred sixty-two million, one hundred fifty-three thousand, seven hundred thirty-four".