145518375 has 32 divisors (see below), whose sum is σ = 250511040. Its totient is φ = 74928000.

The previous prime is 145518361. The next prime is 145518377. The reversal of 145518375 is 573815541.

It is not a de Polignac number, because 145518375 - 2⁵ = 145518343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145518377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4185 + ... + 17565.

It is an arithmetic number, because the mean of its divisors is an integer number (7828470).

Almost surely, 2^145518375 is an apocalyptic number.

145518375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145518375 is a deficient number, since it is larger than the sum of its proper divisors (104992665).

145518375 is a wasteful number, since it uses less digits than its factorization.

145518375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13428 (or 13418 counting only the distinct ones).

The product of its digits is 84000, while the sum is 39.

The square root of 145518375 is about 12063.0997260240. The cubic root of 145518375 is about 525.9840952363.

The spelling of 145518375 in words is "one hundred forty-five million, five hundred eighteen thousand, three hundred seventy-five".