145380075 has 24 divisors (see below), whose sum is σ = 242270208. Its totient is φ = 76920480.

The previous prime is 145380023. The next prime is 145380083. The reversal of 145380075 is 570083541.

145380075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145380075 - 2¹¹ = 145378027 is a prime.

It is a super-2 number, since 2×145380075² = 42270732414011250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1894 + ... + 17156.

It is an arithmetic number, because the mean of its divisors is an integer number (10094592).

Almost surely, 2^145380075 is an apocalyptic number.

145380075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145380075 is a deficient number, since it is larger than the sum of its proper divisors (96890133).

145380075 is a wasteful number, since it uses less digits than its factorization.

145380075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15403 (or 15398 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 145380075 is about 12057.3660058903. The cubic root of 145380075 is about 525.8174114582.

The spelling of 145380075 in words is "one hundred forty-five million, three hundred eighty thousand, seventy-five".