142681356 has 36 divisors (see below), whose sum is σ = 361032672. Its totient is φ = 47512224.

The previous prime is 142681349. The next prime is 142681367. The reversal of 142681356 is 653186241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 142681356.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61245 + ... + 63531.

Almost surely, 2^142681356 is an apocalyptic number.

It is an amenable number.

142681356 is an abundant number, since it is smaller than the sum of its proper divisors (218351316).

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

142681356 is a wasteful number, since it uses less digits than its factorization.

142681356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4030 (or 4025 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 142681356 is about 11944.9301379288. The cubic root of 142681356 is about 522.5434512830.

The spelling of 142681356 in words is "one hundred forty-two million, six hundred eighty-one thousand, three hundred fifty-six".