142752028 has 12 divisors (see below), whose sum is σ = 250263720. Its totient is φ = 71248112.

The previous prime is 142752023. The next prime is 142752083. The reversal of 142752028 is 820257241.

It is a happy number.

It is a super-2 number, since 2×142752028² = 40756282996225568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142752023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29443 + ... + 33946.

It is an arithmetic number, because the mean of its divisors is an integer number (20855310).

Almost surely, 2^142752028 is an apocalyptic number.

It is an amenable number.

142752028 is a deficient number, since it is larger than the sum of its proper divisors (107511692).

142752028 is a wasteful number, since it uses less digits than its factorization.

142752028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63956 (or 63954 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 142752028 is about 11947.8880142057. Note that the first 3 decimals coincide. The cubic root of 142752028 is about 522.6297113156.

The spelling of 142752028 in words is "one hundred forty-two million, seven hundred fifty-two thousand, twenty-eight".