147149569920 has 256 divisors, whose sum is σ = 485806970880. Its totient is φ = 37845688320.

The previous prime is 147149569907. The next prime is 147149569921. The reversal of 147149569920 is 29965941741.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147149569921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18268614 + ... + 18276666.

It is an arithmetic number, because the mean of its divisors is an integer number (1897683480).

Almost surely, 2^147149569920 is an apocalyptic number.

147149569920 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 147149569920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242903485440).

147149569920 is an abundant number, since it is smaller than the sum of its proper divisors (338657400960).

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

147149569920 is a wasteful number, since it uses less digits than its factorization.

147149569920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8413 (or 8401 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 57.

The spelling of 147149569920 in words is "one hundred forty-seven billion, one hundred forty-nine million, five hundred sixty-nine thousand, nine hundred twenty".