162045988 has 18 divisors (see below), whose sum is σ = 307073634. Its totient is φ = 74790144.

The previous prime is 162045979. The next prime is 162045991. The reversal of 162045988 is 889540261.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 9474084 + 152571904 = 3078^2 + 12352^2 .

It is a super-2 number, since 2×162045988² = 52517804453792288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119181 + ... + 120532.

Almost surely, 2^162045988 is an apocalyptic number.

It is an amenable number.

162045988 is a deficient number, since it is larger than the sum of its proper divisors (145027646).

162045988 is a wasteful number, since it uses less digits than its factorization.

162045988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239743 (or 239728 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 162045988 is about 12729.7285124232. The cubic root of 162045988 is about 545.1877567605.

The spelling of 162045988 in words is "one hundred sixty-two million, forty-five thousand, nine hundred eighty-eight".