162457742 has 16 divisors (see below), whose sum is σ = 246985200. Its totient is φ = 80136000.

The previous prime is 162457649. The next prime is 162457753. The reversal of 162457742 is 247754261.

It is a junction number, because it is equal to n+sod(n) for n = 162457696 and 162457705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53234 + ... + 56202.

It is an arithmetic number, because the mean of its divisors is an integer number (15436575).

Almost surely, 2^162457742 is an apocalyptic number.

162457742 is a deficient number, since it is larger than the sum of its proper divisors (84527458).

162457742 is a wasteful number, since it uses less digits than its factorization.

162457742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331.

The product of its digits is 94080, while the sum is 38.

The square root of 162457742 is about 12745.8911810826. The cubic root of 162457742 is about 545.6491347830.

The spelling of 162457742 in words is "one hundred sixty-two million, four hundred fifty-seven thousand, seven hundred forty-two".