142152120 has 96 divisors (see below), whose sum is σ = 504007920. Its totient is φ = 34460160.

The previous prime is 142152119. The next prime is 142152139. The reversal of 142152120 is 21251241.

142152120 is a `hidden beast` number, since 142 + 1 + 521 + 2 + 0 = 666.

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 = 142152093 and 142152102.

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, 13989 + ... + 21908.

Almost surely, 2^142152120 is an apocalyptic number.

142152120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142152120 is an abundant number, since it is smaller than the sum of its proper divisors (361855800).

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

142152120 is a wasteful number, since it uses less digits than its factorization.

142152120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35925 (or 35918 counting only the distinct ones).

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

The square root of 142152120 is about 11922.7563927139. The cubic root of 142152120 is about 521.8965752731.

The spelling of 142152120 in words is "one hundred forty-two million, one hundred fifty-two thousand, one hundred twenty".