142452650 has 12 divisors (see below), whose sum is σ = 264962022. Its totient is φ = 56981040.

The previous prime is 142452649. The next prime is 142452683. The reversal of 142452650 is 56254241.

It can be written as a sum of positive squares in 3 ways, for example, as 72880369 + 69572281 = 8537^2 + 8341^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1424477 + ... + 1424576.

Almost surely, 2^142452650 is an apocalyptic number.

142452650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142452650 is a deficient number, since it is larger than the sum of its proper divisors (122509372).

142452650 is a wasteful number, since it uses less digits than its factorization.

142452650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849065 (or 2849060 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 142452650 is about 11935.3529482793. The cubic root of 142452650 is about 522.2641044994.

The spelling of 142452650 in words is "one hundred forty-two million, four hundred fifty-two thousand, six hundred fifty".