162421342 has 8 divisors (see below), whose sum is σ = 250216776. Its totient is φ = 79015752.

The previous prime is 162421339. The next prime is 162421387. The reversal of 162421342 is 243124261.

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, 1097368 + ... + 1097515.

It is an arithmetic number, because the mean of its divisors is an integer number (31277097).

Almost surely, 2^162421342 is an apocalyptic number.

162421342 is a deficient number, since it is larger than the sum of its proper divisors (87795434).

162421342 is a wasteful number, since it uses less digits than its factorization.

162421342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194922.

The product of its digits is 2304, while the sum is 25.

The square root of 162421342 is about 12744.4631899504. The cubic root of 162421342 is about 545.6083793393.

The spelling of 162421342 in words is "one hundred sixty-two million, four hundred twenty-one thousand, three hundred forty-two".