142989310 has 8 divisors (see below), whose sum is σ = 257380776. Its totient is φ = 57195720.

The previous prime is 142989281. The next prime is 142989311. The reversal of 142989310 is 13989241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×142989310² = 40891885548552200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142989310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142989311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7149456 + ... + 7149475.

It is an arithmetic number, because the mean of its divisors is an integer number (32172597).

Almost surely, 2^142989310 is an apocalyptic number.

142989310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142989310 is a deficient number, since it is larger than the sum of its proper divisors (114391466).

142989310 is a wasteful number, since it uses less digits than its factorization.

142989310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14298938.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 142989310 is about 11957.8137633934. The cubic root of 142989310 is about 522.9191222105.

The spelling of 142989310 in words is "one hundred forty-two million, nine hundred eighty-nine thousand, three hundred ten".