142900772 has 24 divisors (see below), whose sum is σ = 287630784. Its totient is φ = 60851232.

The previous prime is 142900753. The next prime is 142900829. The reversal of 142900772 is 277009241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11858 + ... + 20649.

It is an arithmetic number, because the mean of its divisors is an integer number (11984616).

Almost surely, 2^142900772 is an apocalyptic number.

It is an amenable number.

142900772 is an abundant number, since it is smaller than the sum of its proper divisors (144730012).

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

142900772 is a wasteful number, since it uses less digits than its factorization.

142900772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32675 (or 32673 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 142900772 is about 11954.1110920051. Note that the first 3 decimals coincide. The cubic root of 142900772 is about 522.8111706152.

The spelling of 142900772 in words is "one hundred forty-two million, nine hundred thousand, seven hundred seventy-two".