142304401172 has 6 divisors (see below), whose sum is σ = 249032702058. Its totient is φ = 71152200584.

The previous prime is 142304401163. The next prime is 142304401231. The reversal of 142304401172 is 271104403241.

It can be written as a sum of positive squares in only one way, i.e., 88110423556 + 54193977616 = 296834^2 + 232796^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17788050143 + ... + 17788050150.

It is an arithmetic number, because the mean of its divisors is an integer number (41505450343).

Almost surely, 2^142304401172 is an apocalyptic number.

It is an amenable number.

142304401172 is a deficient number, since it is larger than the sum of its proper divisors (106728300886).

142304401172 is a wasteful number, since it uses less digits than its factorization.

142304401172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35576100297 (or 35576100295 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The spelling of 142304401172 in words is "one hundred forty-two billion, three hundred four million, four hundred one thousand, one hundred seventy-two".