142031901146 has 8 divisors (see below), whose sum is σ = 213728516724. Its totient is φ = 70789062240.

The previous prime is 142031901131. The next prime is 142031901157. The reversal of 142031901146 is 641109130241.

It can be written as a sum of positive squares in 2 ways, for example, as 129841312225 + 12190588921 = 360335^2 + 110411^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×142031901146² (a number of 23 digits) contains 22 as substring.

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, 113443385 + ... + 113444636.

Almost surely, 2^142031901146 is an apocalyptic number.

142031901146 is a deficient number, since it is larger than the sum of its proper divisors (71696615578).

142031901146 is a wasteful number, since it uses less digits than its factorization.

142031901146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226888336.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 142031901146 in words is "one hundred forty-two billion, thirty-one million, nine hundred one thousand, one hundred forty-six".