142279310 has 16 divisors (see below), whose sum is σ = 257406336. Its totient is φ = 56622048.

The previous prime is 142279301. The next prime is 142279321. The reversal of 142279310 is 13972241.

142279310 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×142279310² = 40486804108152200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34142 + ... + 38081.

It is an arithmetic number, because the mean of its divisors is an integer number (16087896).

Almost surely, 2^142279310 is an apocalyptic number.

142279310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142279310 is a deficient number, since it is larger than the sum of its proper divisors (115127026).

142279310 is a wasteful number, since it uses less digits than its factorization.

142279310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72427.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 142279310 is about 11928.0891177087. The cubic root of 142279310 is about 522.0521837801.

The spelling of 142279310 in words is "one hundred forty-two million, two hundred seventy-nine thousand, three hundred ten".