142744752 has 60 divisors (see below), whose sum is σ = 400536864. Its totient is φ = 47456640.

The previous prime is 142744751. The next prime is 142744759. The reversal of 142744752 is 257447241.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (142744751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65602 + ... + 67742.

Almost surely, 2^142744752 is an apocalyptic number.

142744752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142744752 is an abundant number, since it is smaller than the sum of its proper divisors (257792112).

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

142744752 is a wasteful number, since it uses less digits than its factorization.

142744752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2618 (or 2609 counting only the distinct ones).

The product of its digits is 62720, while the sum is 36.

The square root of 142744752 is about 11947.5835213653. The cubic root of 142744752 is about 522.6208317725.

The spelling of 142744752 in words is "one hundred forty-two million, seven hundred forty-four thousand, seven hundred fifty-two".