142197534100 has 18 divisors (see below), whose sum is σ = 308568649214. Its totient is φ = 56879013600.

The previous prime is 142197534053. The next prime is 142197534113. The reversal of 142197534100 is 1435791241.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 583802244 + 141613731856 = 24162^2 + 376316^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 142197534100.

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, 710987571 + ... + 710987770.

Almost surely, 2^142197534100 is an apocalyptic number.

142197534100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142197534100 is an abundant number, since it is smaller than the sum of its proper divisors (166371115114).

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

142197534100 is a wasteful number, since it uses less digits than its factorization.

142197534100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421975355 (or 1421975348 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 142197534100 in words is "one hundred forty-two billion, one hundred ninety-seven million, five hundred thirty-four thousand, one hundred".