145281160 has 16 divisors (see below), whose sum is σ = 326882700. Its totient is φ = 58112448.

The previous prime is 145281151. The next prime is 145281161. The reversal of 145281160 is 61182541.

It can be written as a sum of positive squares in 2 ways, for example, as 142134084 + 3147076 = 11922^2 + 1774^2 .

It is a super-2 number, since 2×145281160² = 42213230901891200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145281161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1815975 + ... + 1816054.

Almost surely, 2^145281160 is an apocalyptic number.

145281160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145281160 is an abundant number, since it is smaller than the sum of its proper divisors (181601540).

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

145281160 is a wasteful number, since it uses less digits than its factorization.

145281160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3632040 (or 3632036 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 145281160 is about 12053.2634584995. The cubic root of 145281160 is about 525.6981309454.

The spelling of 145281160 in words is "one hundred forty-five million, two hundred eighty-one thousand, one hundred sixty".