147989023572 has 48 divisors (see below), whose sum is σ = 376350246720. Its totient is φ = 44986464768.

The previous prime is 147989023571. The next prime is 147989023583. The reversal of 147989023572 is 275320989741.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147989023571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5701797 + ... + 5727692.

It is an arithmetic number, because the mean of its divisors is an integer number (7840630140).

Almost surely, 2^147989023572 is an apocalyptic number.

147989023572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

147989023572 is an abundant number, since it is smaller than the sum of its proper divisors (228361223148).

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

147989023572 is a wasteful number, since it uses less digits than its factorization.

147989023572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11429592 (or 11429590 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 57.

The spelling of 147989023572 in words is "one hundred forty-seven billion, nine hundred eighty-nine million, twenty-three thousand, five hundred seventy-two".