147791223492 has 24 divisors (see below), whose sum is σ = 376195841952. Its totient is φ = 44785219200.

The previous prime is 147791223479. The next prime is 147791223521. The reversal of 147791223492 is 294322197741.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559815109 + ... + 559815372.

It is an arithmetic number, because the mean of its divisors is an integer number (15674826748).

Almost surely, 2^147791223492 is an apocalyptic number.

147791223492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

147791223492 is an abundant number, since it is smaller than the sum of its proper divisors (228404618460).

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

147791223492 is a wasteful number, since it uses less digits than its factorization.

147791223492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119630499 (or 1119630497 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 51.

The spelling of 147791223492 in words is "one hundred forty-seven billion, seven hundred ninety-one million, two hundred twenty-three thousand, four hundred ninety-two".