142517880 has 80 divisors (see below), whose sum is σ = 479029320. Its totient is φ = 38003904.

The previous prime is 142517857. The next prime is 142517887. The reversal of 142517880 is 88715241.

It is a super-2 number, since 2×142517880² = 40622692239388800, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142517887) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18754 + ... + 25233.

Almost surely, 2^142517880 is an apocalyptic number.

142517880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142517880 is an abundant number, since it is smaller than the sum of its proper divisors (336511440).

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

142517880 is a wasteful number, since it uses less digits than its factorization.

142517880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44010 (or 43997 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 142517880 is about 11938.0852736107. The cubic root of 142517880 is about 522.3438083846.

The spelling of 142517880 in words is "one hundred forty-two million, five hundred seventeen thousand, eight hundred eighty".