142156466 has 16 divisors (see below), whose sum is σ = 215323704. Its totient is φ = 70385664.

The previous prime is 142156453. The next prime is 142156489. The reversal of 142156466 is 664651241.

It can be written as a sum of positive squares in 4 ways, for example, as 142110241 + 46225 = 11921^2 + 215^2 .

It is a Curzon 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, 98486 + ... + 99918.

Almost surely, 2^142156466 is an apocalyptic number.

142156466 is a deficient number, since it is larger than the sum of its proper divisors (73167238).

142156466 is a wasteful number, since it uses less digits than its factorization.

142156466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885.

The product of its digits is 34560, while the sum is 35.

The square root of 142156466 is about 11922.9386478334. The cubic root of 142156466 is about 521.9018938463.

The spelling of 142156466 in words is "one hundred forty-two million, one hundred fifty-six thousand, four hundred sixty-six".