142073932 has 144 divisors (see below), whose sum is σ = 351515808. Its totient is φ = 49351680.

The previous prime is 142073923. The next prime is 142073933. The reversal of 142073932 is 239370241.

It is a junction number, because it is equal to n+sod(n) for n = 142073894 and 142073903.

It is not an unprimeable number, because it can be changed into a prime (142073933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1036968 + ... + 1037104.

It is an arithmetic number, because the mean of its divisors is an integer number (2441082).

Almost surely, 2^142073932 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142073932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175757904).

142073932 is an abundant number, since it is smaller than the sum of its proper divisors (209441876).

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

142073932 is a wasteful number, since it uses less digits than its factorization.

142073932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 142073932 is about 11919.4770019494. The cubic root of 142073932 is about 521.8008713815.

The spelling of 142073932 in words is "one hundred forty-two million, seventy-three thousand, nine hundred thirty-two".