145288532 has 12 divisors (see below), whose sum is σ = 254763936. Its totient is φ = 72498840.

The previous prime is 145288531. The next prime is 145288547. The reversal of 145288532 is 235882541.

It is a super-2 number, since 2×145288532² = 42217515061430048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145288531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34094 + ... + 38117.

It is an arithmetic number, because the mean of its divisors is an integer number (21230328).

Almost surely, 2^145288532 is an apocalyptic number.

It is an amenable number.

145288532 is a deficient number, since it is larger than the sum of its proper divisors (109475404).

145288532 is a wasteful number, since it uses less digits than its factorization.

145288532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72718 (or 72716 counting only the distinct ones).

The product of its digits is 76800, while the sum is 38.

The square root of 145288532 is about 12053.5692639151. The cubic root of 145288532 is about 525.7070226262.

The spelling of 145288532 in words is "one hundred forty-five million, two hundred eighty-eight thousand, five hundred thirty-two".