145903525 has 12 divisors (see below), whose sum is σ = 181684800. Its totient is φ = 116229680.

The previous prime is 145903523. The next prime is 145903531. The reversal of 145903525 is 525309541.

145903525 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 145903525 - 2¹ = 145903523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145903523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6235 + ... + 18184.

It is an arithmetic number, because the mean of its divisors is an integer number (15140400).

Almost surely, 2^145903525 is an apocalyptic number.

It is an amenable number.

145903525 is a deficient number, since it is larger than the sum of its proper divisors (35781275).

145903525 is a wasteful number, since it uses less digits than its factorization.

145903525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24668 (or 24663 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 145903525 is about 12079.0531499783. The cubic root of 145903525 is about 526.4477349848.

The spelling of 145903525 in words is "one hundred forty-five million, nine hundred three thousand, five hundred twenty-five".