147581996 has 6 divisors (see below), whose sum is σ = 258268500. Its totient is φ = 73790996.

The previous prime is 147581989. The next prime is 147582013. The reversal of 147581996 is 699185741.

147581996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18447746 + ... + 18447753.

It is an arithmetic number, because the mean of its divisors is an integer number (43044750).

Almost surely, 2^147581996 is an apocalyptic number.

It is an amenable number.

147581996 is a deficient number, since it is larger than the sum of its proper divisors (110686504).

147581996 is a wasteful number, since it uses less digits than its factorization.

147581996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36895503 (or 36895501 counting only the distinct ones).

The product of its digits is 544320, while the sum is 50.

The square root of 147581996 is about 12148.3330543742. Note that the first 3 decimals coincide. The cubic root of 147581996 is about 528.4587906636.

The spelling of 147581996 in words is "one hundred forty-seven million, five hundred eighty-one thousand, nine hundred ninety-six".