145275488 has 12 divisors (see below), whose sum is σ = 286011180. Its totient is φ = 72637728.

The previous prime is 145275479. The next prime is 145275541. The reversal of 145275488 is 884572541.

It is a super-2 number, since 2×145275488² = 42209934827276288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2269898 + ... + 2269961.

It is an arithmetic number, because the mean of its divisors is an integer number (23834265).

Almost surely, 2^145275488 is an apocalyptic number.

It is an amenable number.

145275488 is a deficient number, since it is larger than the sum of its proper divisors (140735692).

145275488 is an equidigital number, since it uses as much as digits as its factorization.

145275488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4539869 (or 4539861 counting only the distinct ones).

The product of its digits is 358400, while the sum is 44.

The square root of 145275488 is about 12053.0281672284. The cubic root of 145275488 is about 525.6912895018.

The spelling of 145275488 in words is "one hundred forty-five million, two hundred seventy-five thousand, four hundred eighty-eight".