147499920 has 160 divisors (see below), whose sum is σ = 530323200. Its totient is φ = 37610496.

The previous prime is 147499903. The next prime is 147499921. The reversal of 147499920 is 29994741.

It is a happy number.

147499920 is a `hidden beast` number, since 1 + 474 + 99 + 92 + 0 = 666.

147499920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (147499921) 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, 48196 + ... + 51164.

It is an arithmetic number, because the mean of its divisors is an integer number (3314520).

Almost surely, 2^147499920 is an apocalyptic number.

147499920 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 147499920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265161600).

147499920 is an abundant number, since it is smaller than the sum of its proper divisors (382823280).

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

147499920 is a wasteful number, since it uses less digits than its factorization.

147499920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014 (or 3002 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 147499920 is about 12144.9545079428. The cubic root of 147499920 is about 528.3608071065.

The spelling of 147499920 in words is "one hundred forty-seven million, four hundred ninety-nine thousand, nine hundred twenty".