162145522 has 16 divisors (see below), whose sum is σ = 303233472. Its totient is φ = 63173520.

The previous prime is 162145493. The next prime is 162145537. The reversal of 162145522 is 225541261.

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 in 7 ways as a sum of consecutive naturals, for example, 526293 + ... + 526600.

It is an arithmetic number, because the mean of its divisors is an integer number (18952092).

Almost surely, 2^162145522 is an apocalyptic number.

162145522 is a deficient number, since it is larger than the sum of its proper divisors (141087950).

162145522 is a wasteful number, since it uses less digits than its factorization.

162145522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052913.

The product of its digits is 4800, while the sum is 28.

The square root of 162145522 is about 12733.6374221979. The cubic root of 162145522 is about 545.2993580252.

Adding to 162145522 its reverse (225541261), we get a palindrome (387686783).

It can be divided in two parts, 16214 and 5522, that added together give a triangular number (21736 = T₂₀₈).

The spelling of 162145522 in words is "one hundred sixty-two million, one hundred forty-five thousand, five hundred twenty-two".