142206472 has 16 divisors (see below), whose sum is σ = 268738560. Its totient is φ = 70542864.

The previous prime is 142206457. The next prime is 142206497. The reversal of 142206472 is 274602241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 142206472.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68968 + ... + 70999.

It is an arithmetic number, because the mean of its divisors is an integer number (16796160).

Almost surely, 2^142206472 is an apocalyptic number.

It is an amenable number.

142206472 is a deficient number, since it is larger than the sum of its proper divisors (126532088).

142206472 is a wasteful number, since it uses less digits than its factorization.

142206472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140100 (or 140096 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 142206472 is about 11925.0355135740. The cubic root of 142206472 is about 521.9630826835.

The spelling of 142206472 in words is "one hundred forty-two million, two hundred six thousand, four hundred seventy-two".