162009542 has 16 divisors (see below), whose sum is σ = 256080960. Its totient is φ = 76658472.

The previous prime is 162009521. The next prime is 162009571. The reversal of 162009542 is 245900261.

It is a happy number.

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 in 7 ways as a sum of consecutive naturals, for example, 47093 + ... + 50415.

It is an arithmetic number, because the mean of its divisors is an integer number (16005060).

Almost surely, 2^162009542 is an apocalyptic number.

162009542 is a deficient number, since it is larger than the sum of its proper divisors (94071418).

162009542 is a wasteful number, since it uses less digits than its factorization.

162009542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4627.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 162009542 is about 12728.2969009998. The cubic root of 162009542 is about 545.1468807041.

The spelling of 162009542 in words is "one hundred sixty-two million, nine thousand, five hundred forty-two".