147057440 has 24 divisors (see below), whose sum is σ = 347423580. Its totient is φ = 58822912.

The previous prime is 147057437. The next prime is 147057479. The reversal of 147057440 is 44750741.

It can be written as a sum of positive squares in 2 ways, for example, as 145829776 + 1227664 = 12076^2 + 1108^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 147057397 and 147057406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459395 + ... + 459714.

Almost surely, 2^147057440 is an apocalyptic number.

147057440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147057440 is an abundant number, since it is smaller than the sum of its proper divisors (200366140).

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

147057440 is an equidigital number, since it uses as much as digits as its factorization.

147057440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919124 (or 919116 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 147057440 is about 12126.7242073035. The cubic root of 147057440 is about 527.8319406977.

The spelling of 147057440 in words is "one hundred forty-seven million, fifty-seven thousand, four hundred forty".