142331700 has 72 divisors (see below), whose sum is σ = 470650432. Its totient is φ = 32532480.

The previous prime is 142331699. The next prime is 142331723. The reversal of 142331700 is 7133241.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 31789 + ... + 35988.

Almost surely, 2^142331700 is an apocalyptic number.

142331700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142331700 is an abundant number, since it is smaller than the sum of its proper divisors (328318732).

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

142331700 is a wasteful number, since it uses less digits than its factorization.

142331700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67801 (or 67794 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 142331700 is about 11930.2849924048. The cubic root of 142331700 is about 522.1162524949.

Adding to 142331700 its reverse (7133241), we get a palindrome (149464941).

The spelling of 142331700 in words is "one hundred forty-two million, three hundred thirty-one thousand, seven hundred".