145075925 has 12 divisors (see below), whose sum is σ = 189362880. Its totient is φ = 109951920.

The previous prime is 145075919. The next prime is 145075967. The reversal of 145075925 is 529570541.

It is a happy number.

It is not a de Polignac number, because 145075925 - 2¹⁶ = 145010389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152237 + ... + 153186.

It is an arithmetic number, because the mean of its divisors is an integer number (15780240).

Almost surely, 2^145075925 is an apocalyptic number.

It is an amenable number.

145075925 is a deficient number, since it is larger than the sum of its proper divisors (44286955).

145075925 is a wasteful number, since it uses less digits than its factorization.

145075925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305452 (or 305447 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 145075925 is about 12044.7467802358. The cubic root of 145075925 is about 525.4504674928.

The spelling of 145075925 in words is "one hundred forty-five million, seventy-five thousand, nine hundred twenty-five".