142990317900 has 288 divisors, whose sum is σ = 475262914560. Its totient is φ = 36842688000.

The previous prime is 142990317871. The next prime is 142990317947. The reversal of 142990317900 is 9713099241.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 86293872 + ... + 86295528.

Almost surely, 2^142990317900 is an apocalyptic number.

142990317900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142990317900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237631457280).

142990317900 is an abundant number, since it is smaller than the sum of its proper divisors (332272596660).

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

142990317900 is a wasteful number, since it uses less digits than its factorization.

142990317900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742 (or 2729 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 142990317900 in words is "one hundred forty-two billion, nine hundred ninety million, three hundred seventeen thousand, nine hundred".