145275285 has 32 divisors (see below), whose sum is σ = 251856000. Its totient is φ = 71221248.

The previous prime is 145275281. The next prime is 145275293. The reversal of 145275285 is 582572541.

It is not a de Polignac number, because 145275285 - 2² = 145275281 is a prime.

It is a super-2 number, since 2×145275285² = 42209816863662450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145275281) 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 31 ways as a sum of consecutive naturals, for example, 4341 + ... + 17589.

It is an arithmetic number, because the mean of its divisors is an integer number (7870500).

Almost surely, 2^145275285 is an apocalyptic number.

145275285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145275285 is a deficient number, since it is larger than the sum of its proper divisors (106580715).

145275285 is a wasteful number, since it uses less digits than its factorization.

145275285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13317.

The product of its digits is 112000, while the sum is 39.

The square root of 145275285 is about 12053.0197461051. The cubic root of 145275285 is about 525.6910446443.

The spelling of 145275285 in words is "one hundred forty-five million, two hundred seventy-five thousand, two hundred eighty-five".