142572726 has 12 divisors (see below), whose sum is σ = 308907612. Its totient is φ = 47524236.

The previous prime is 142572707. The next prime is 142572739. The reversal of 142572726 is 627275241.

It is a happy number.

142572726 is a `hidden beast` number, since 14 + 2 + 572 + 72 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3960336 + ... + 3960371.

It is an arithmetic number, because the mean of its divisors is an integer number (25742301).

Almost surely, 2^142572726 is an apocalyptic number.

142572726 is an abundant number, since it is smaller than the sum of its proper divisors (166334886).

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

142572726 is a wasteful number, since it uses less digits than its factorization.

142572726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7920715 (or 7920712 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 142572726 is about 11940.3821546883. The cubic root of 142572726 is about 522.4108053450.

The spelling of 142572726 in words is "one hundred forty-two million, five hundred seventy-two thousand, seven hundred twenty-six".