145207125 has 48 divisors (see below), whose sum is σ = 299170560. Its totient is φ = 66376800.

The previous prime is 145207123. The next prime is 145207151. The reversal of 145207125 is 521702541.

145207125 is a `hidden beast` number, since 14 + 520 + 7 + 125 = 666.

It is not a de Polignac number, because 145207125 - 2¹ = 145207123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145207123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1345 + ... + 17094.

It is an arithmetic number, because the mean of its divisors is an integer number (6232720).

Almost surely, 2^145207125 is an apocalyptic number.

145207125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145207125 is an abundant number, since it is smaller than the sum of its proper divisors (153963435).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145207125 is a wasteful number, since it uses less digits than its factorization.

145207125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18467 (or 18454 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 145207125 is about 12050.1919071855. The cubic root of 145207125 is about 525.6088175199.

Adding to 145207125 its reverse (521702541), we get a palindrome (666909666).

The spelling of 145207125 in words is "one hundred forty-five million, two hundred seven thousand, one hundred twenty-five".