142917330 has 32 divisors (see below), whose sum is σ = 343569600. Its totient is φ = 38048192.

The previous prime is 142917329. The next prime is 142917343. The reversal of 142917330 is 33719241.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16156 + ... + 23384.

It is an arithmetic number, because the mean of its divisors is an integer number (10736550).

Almost surely, 2^142917330 is an apocalyptic number.

142917330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142917330 is an abundant number, since it is smaller than the sum of its proper divisors (200652270).

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

142917330 is a wasteful number, since it uses less digits than its factorization.

142917330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7898.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 142917330 is about 11954.8036370323. The cubic root of 142917330 is about 522.8313626522.

The spelling of 142917330 in words is "one hundred forty-two million, nine hundred seventeen thousand, three hundred thirty".