142071732 has 60 divisors (see below), whose sum is σ = 405177696. Its totient is φ = 43050960.

The previous prime is 142071731. The next prime is 142071757. The reversal of 142071732 is 237170241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 142071696 and 142071705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142071731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16368 + ... + 23495.

Almost surely, 2^142071732 is an apocalyptic number.

142071732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142071732 is an abundant number, since it is smaller than the sum of its proper divisors (263105964).

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

142071732 is a wasteful number, since it uses less digits than its factorization.

142071732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39890 (or 39879 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 142071732 is about 11919.3847156638. The cubic root of 142071732 is about 521.7981780236.

The spelling of 142071732 in words is "one hundred forty-two million, seventy-one thousand, seven hundred thirty-two".