142975872 has 96 divisors (see below), whose sum is σ = 443122680. Its totient is φ = 43987968.

The previous prime is 142975871. The next prime is 142975873. The reversal of 142975872 is 278579241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (142975871) and next prime (142975873).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142975871) 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, 10203 + ... + 19749.

Almost surely, 2^142975872 is an apocalyptic number.

142975872 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 142975872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221561340).

142975872 is an abundant number, since it is smaller than the sum of its proper divisors (300146808).

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

142975872 is a wasteful number, since it uses less digits than its factorization.

142975872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9580 (or 9565 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 142975872 is about 11957.2518581821. The cubic root of 142975872 is about 522.9027405493.

The spelling of 142975872 in words is "one hundred forty-two million, nine hundred seventy-five thousand, eight hundred seventy-two".