142156032 has 36 divisors (see below), whose sum is σ = 378344400. Its totient is φ = 47385088.

The previous prime is 142155973. The next prime is 142156037. The reversal of 142156032 is 230651241.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 142155993 and 142156011.

It is not an unprimeable number, because it can be changed into a prime (142156037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91782 + ... + 93317.

Almost surely, 2^142156032 is an apocalyptic number.

142156032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142156032 is an abundant number, since it is smaller than the sum of its proper divisors (236188368).

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

142156032 is an equidigital number, since it uses as much as digits as its factorization.

142156032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185118 (or 185104 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 142156032 is about 11922.9204476085. The cubic root of 142156032 is about 521.9013627282.

The spelling of 142156032 in words is "one hundred forty-two million, one hundred fifty-six thousand, thirty-two".