162420142 has 8 divisors (see below), whose sum is σ = 257961456. Its totient is φ = 76432992.

The previous prime is 162420131. The next prime is 162420157. The reversal of 162420142 is 241024261.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2388498 + ... + 2388565.

It is an arithmetic number, because the mean of its divisors is an integer number (32245182).

Almost surely, 2^162420142 is an apocalyptic number.

162420142 is a deficient number, since it is larger than the sum of its proper divisors (95541314).

162420142 is a wasteful number, since it uses less digits than its factorization.

162420142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4777082.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 162420142 is about 12744.4161105953. The cubic root of 162420142 is about 545.6070356496.

The spelling of 162420142 in words is "one hundred sixty-two million, four hundred twenty thousand, one hundred forty-two".