142650244 has 24 divisors (see below), whose sum is σ = 279695808. Its totient is φ = 63087840.

The previous prime is 142650241. The next prime is 142650253. The reversal of 142650244 is 442056241.

It is a super-2 number, since 2×142650244² = 40698184226519072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142650241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42184 + ... + 45439.

It is an arithmetic number, because the mean of its divisors is an integer number (11653992).

Almost surely, 2^142650244 is an apocalyptic number.

It is an amenable number.

142650244 is a deficient number, since it is larger than the sum of its proper divisors (137045564).

142650244 is a wasteful number, since it uses less digits than its factorization.

142650244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87675 (or 87673 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 142650244 is about 11943.6277570929. The cubic root of 142650244 is about 522.5054679189.

The spelling of 142650244 in words is "one hundred forty-two million, six hundred fifty thousand, two hundred forty-four".