142432250 has 16 divisors (see below), whose sum is σ = 266633640. Its totient is φ = 56972800.

The previous prime is 142432249. The next prime is 142432291. The reversal of 142432250 is 52234241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 84474481 + 57957769 = 9191^2 + 7613^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284615 + ... + 285114.

Almost surely, 2^142432250 is an apocalyptic number.

142432250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142432250 is a deficient number, since it is larger than the sum of its proper divisors (124201390).

142432250 is an equidigital number, since it uses as much as digits as its factorization.

142432250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569746 (or 569736 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 142432250 is about 11934.4983137122. The cubic root of 142432250 is about 522.2391729488.

Adding to 142432250 its reverse (52234241), we get a palindrome (194666491).

The spelling of 142432250 in words is "one hundred forty-two million, four hundred thirty-two thousand, two hundred fifty".