145102075 has 24 divisors (see below), whose sum is σ = 187862976. Its totient is φ = 111072000.

The previous prime is 145101991. The next prime is 145102099. The reversal of 145102075 is 570201541.

145102075 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 145102075 - 2¹⁷ = 144971003 is a prime.

It is a super-2 number, since 2×145102075² = 42109224338611250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian 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, 52990 + ... + 55660.

It is an arithmetic number, because the mean of its divisors is an integer number (7827624).

Almost surely, 2^145102075 is an apocalyptic number.

145102075 is a deficient number, since it is larger than the sum of its proper divisors (42760901).

145102075 is a wasteful number, since it uses less digits than its factorization.

145102075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775 (or 2770 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 145102075 is about 12045.8322668050. The cubic root of 145102075 is about 525.4820364895.

The spelling of 145102075 in words is "one hundred forty-five million, one hundred two thousand, seventy-five".