147801888 has 96 divisors (see below), whose sum is σ = 464284800. Its totient is φ = 45474048.

The previous prime is 147801881. The next prime is 147801923. The reversal of 147801888 is 888108741.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (147801881) 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, 4653 + ... + 17811.

It is an arithmetic number, because the mean of its divisors is an integer number (4836300).

Almost surely, 2^147801888 is an apocalyptic number.

147801888 is a gapful number since it is divisible by the number (18) 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 147801888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232142400).

147801888 is an abundant number, since it is smaller than the sum of its proper divisors (316482912).

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

147801888 is a wasteful number, since it uses less digits than its factorization.

147801888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13191 (or 13177 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 45.

The square root of 147801888 is about 12157.3799809005. The cubic root of 147801888 is about 528.7211221088.

The spelling of 147801888 in words is "one hundred forty-seven million, eight hundred one thousand, eight hundred eighty-eight".