142815372 has 96 divisors (see below), whose sum is σ = 411264000. Its totient is φ = 37669632.

The previous prime is 142815353. The next prime is 142815373. The reversal of 142815372 is 273518241.

It is not an unprimeable number, because it can be changed into a prime (142815373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54754 + ... + 57302.

It is an arithmetic number, because the mean of its divisors is an integer number (4284000).

Almost surely, 2^142815372 is an apocalyptic number.

142815372 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 142815372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205632000).

142815372 is an abundant number, since it is smaller than the sum of its proper divisors (268448628).

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

142815372 is a wasteful number, since it uses less digits than its factorization.

142815372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615 (or 2613 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 142815372 is about 11950.5385652698. The cubic root of 142815372 is about 522.7070028293.

The spelling of 142815372 in words is "one hundred forty-two million, eight hundred fifteen thousand, three hundred seventy-two".