142949147904 has 216 divisors, whose sum is σ = 423999838080. Its totient is φ = 46295506944.

The previous prime is 142949147879. The next prime is 142949147917. The reversal of 142949147904 is 409741949241.

It is a happy number.

142949147904 is a `hidden beast` number, since 1 + 4 + 29 + 491 + 47 + 90 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15047284 + ... + 15056780.

Almost surely, 2^142949147904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142949147904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211999919040).

142949147904 is an abundant number, since it is smaller than the sum of its proper divisors (281050690176).

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

142949147904 is a wasteful number, since it uses less digits than its factorization.

142949147904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9705 (or 9688 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 142949147904 in words is "one hundred forty-two billion, nine hundred forty-nine million, one hundred forty-seven thousand, nine hundred four".