147746880 has 252 divisors, whose sum is σ = 534943812. Its totient is φ = 37416960.

The previous prime is 147746857. The next prime is 147746887. The reversal of 147746880 is 88647741.

It can be written as a sum of positive squares in 6 ways, for example, as 17239104 + 130507776 = 4152^2 + 11424^2 .

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 (147746887) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2422050 + ... + 2422110.

Almost surely, 2^147746880 is an apocalyptic number.

147746880 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 147746880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267471906).

147746880 is an abundant number, since it is smaller than the sum of its proper divisors (387196932).

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

147746880 is a wasteful number, since it uses less digits than its factorization.

147746880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 147746880 is about 12155.1174408148. The cubic root of 147746880 is about 528.6555219086.

The spelling of 147746880 in words is "one hundred forty-seven million, seven hundred forty-six thousand, eight hundred eighty".