145332256 has 24 divisors (see below), whose sum is σ = 290817324. Its totient is φ = 71473920.

The previous prime is 145332241. The next prime is 145332277. The reversal of 145332256 is 652233541.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 117072400 + 28259856 = 10820^2 + 5316^2 .

It is a super-2 number, since 2×145332256² = 42242929268099072, which contains 22 as substring.

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, 35275 + ... + 39178.

Almost surely, 2^145332256 is an apocalyptic number.

145332256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145332256 is an abundant number, since it is smaller than the sum of its proper divisors (145485068).

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

145332256 is an equidigital number, since it uses as much as digits as its factorization.

145332256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74524 (or 74516 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 145332256 is about 12055.3828640985. The cubic root of 145332256 is about 525.7597538089.

Adding to 145332256 its reverse (652233541), we get a palindrome (797565797).

The spelling of 145332256 in words is "one hundred forty-five million, three hundred thirty-two thousand, two hundred fifty-six".