142151022 has 48 divisors (see below), whose sum is σ = 332562048. Its totient is φ = 43623360.

The previous prime is 142150999. The next prime is 142151033. The reversal of 142151022 is 220151241.

142151022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 142150986 and 142151004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142947 + ... + 143937.

It is an arithmetic number, because the mean of its divisors is an integer number (6928376).

Almost surely, 2^142151022 is an apocalyptic number.

142151022 is an abundant number, since it is smaller than the sum of its proper divisors (190411026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142151022 is a wasteful number, since it uses less digits than its factorization.

142151022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625 (or 1622 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 142151022 is about 11922.7103462258. The cubic root of 142151022 is about 521.8952315391.

The spelling of 142151022 in words is "one hundred forty-two million, one hundred fifty-one thousand, twenty-two".