142664334 has 16 divisors (see below), whose sum is σ = 285507072. Its totient is φ = 47525048.

The previous prime is 142664329. The next prime is 142664351. The reversal of 142664334 is 433466241.

It is a super-2 number, since 2×142664334² = 40706224391327112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142664295 and 142664304.

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, 4417 + ... + 17459.

It is an arithmetic number, because the mean of its divisors is an integer number (17844192).

Almost surely, 2^142664334 is an apocalyptic number.

142664334 is an abundant number, since it is smaller than the sum of its proper divisors (142842738).

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

142664334 is a wasteful number, since it uses less digits than its factorization.

142664334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14871.

The product of its digits is 41472, while the sum is 33.

The square root of 142664334 is about 11944.2175968123. The cubic root of 142664334 is about 522.5226705059.

The spelling of 142664334 in words is "one hundred forty-two million, six hundred sixty-four thousand, three hundred thirty-four".