142357272 has 64 divisors (see below), whose sum is σ = 379987200. Its totient is φ = 44311680.

The previous prime is 142357217. The next prime is 142357283. The reversal of 142357272 is 272753241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30178 + ... + 34574.

It is an arithmetic number, because the mean of its divisors is an integer number (5937300).

Almost surely, 2^142357272 is an apocalyptic number.

142357272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142357272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189993600).

142357272 is an abundant number, since it is smaller than the sum of its proper divisors (237629928).

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

142357272 is a wasteful number, since it uses less digits than its factorization.

142357272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496 (or 4492 counting only the distinct ones).

The product of its digits is 23520, while the sum is 33.

The square root of 142357272 is about 11931.3566705551. The cubic root of 142357272 is about 522.1475192643.

The spelling of 142357272 in words is "one hundred forty-two million, three hundred fifty-seven thousand, two hundred seventy-two".