142279692 has 12 divisors (see below), whose sum is σ = 331985976. Its totient is φ = 47426560.

The previous prime is 142279691. The next prime is 142279703. The reversal of 142279692 is 296972241.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×142279692² = 40487021511229728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142279691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5928309 + ... + 5928332.

It is an arithmetic number, because the mean of its divisors is an integer number (27665498).

Almost surely, 2^142279692 is an apocalyptic number.

142279692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142279692 is an abundant number, since it is smaller than the sum of its proper divisors (189706284).

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

142279692 is a wasteful number, since it uses less digits than its factorization.

142279692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11856648 (or 11856646 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 142279692 is about 11928.1051303214. The cubic root of 142279692 is about 522.0526509920.

The spelling of 142279692 in words is "one hundred forty-two million, two hundred seventy-nine thousand, six hundred ninety-two".