147823380 has 60 divisors (see below), whose sum is σ = 463732500. Its totient is φ = 39419136.

The previous prime is 147823309. The next prime is 147823397. The reversal of 147823380 is 83328741.

147823380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 17589636 + 130233744 = 4194^2 + 11412^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44005 + ... + 47244.

It is an arithmetic number, because the mean of its divisors is an integer number (7728875).

Almost surely, 2^147823380 is an apocalyptic number.

147823380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147823380 is an abundant number, since it is smaller than the sum of its proper divisors (315909120).

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

147823380 is a wasteful number, since it uses less digits than its factorization.

147823380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91270 (or 91259 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 147823380 is about 12158.2638563242. The cubic root of 147823380 is about 528.7467481315.

The spelling of 147823380 in words is "one hundred forty-seven million, eight hundred twenty-three thousand, three hundred eighty".