147739680 has 192 divisors, whose sum is σ = 564278400. Its totient is φ = 35804160.

The previous prime is 147739661. The next prime is 147739747. The reversal of 147739680 is 86937741.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45966 + ... + 49074.

It is an arithmetic number, because the mean of its divisors is an integer number (2938950).

Almost surely, 2^147739680 is an apocalyptic number.

147739680 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 147739680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282139200).

147739680 is an abundant number, since it is smaller than the sum of its proper divisors (416538720).

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

147739680 is a wasteful number, since it uses less digits than its factorization.

147739680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144 (or 3130 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 147739680 is about 12154.8212656542. The cubic root of 147739680 is about 528.6469342899.

The spelling of 147739680 in words is "one hundred forty-seven million, seven hundred thirty-nine thousand, six hundred eighty".