162254402 has 4 divisors (see below), whose sum is σ = 243381606. Its totient is φ = 81127200.

The previous prime is 162254381. The next prime is 162254413. The reversal of 162254402 is 204452261.

162254402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204452261 = 13 ⋅15727097.

It can be written as a sum of positive squares in only one way, i.e., 110859841 + 51394561 = 10529^2 + 7169^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40563599 + ... + 40563602.

Almost surely, 2^162254402 is an apocalyptic number.

162254402 is a deficient number, since it is larger than the sum of its proper divisors (81127204).

162254402 is an equidigital number, since it uses as much as digits as its factorization.

162254402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81127203.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 162254402 is about 12737.9119952997. The cubic root of 162254402 is about 545.4213860835.

The spelling of 162254402 in words is "one hundred sixty-two million, two hundred fifty-four thousand, four hundred two".