145995125 has 16 divisors (see below), whose sum is σ = 185648112. Its totient is φ = 114587200.

The previous prime is 145995121. The next prime is 145995127. The reversal of 145995125 is 521599541.

It can be written as a sum of positive squares in 8 ways, for example, as 62948356 + 83046769 = 7934^2 + 9113^2 .

It is not a de Polignac number, because 145995125 - 2² = 145995121 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145995121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4394 + ... + 17643.

It is an arithmetic number, because the mean of its divisors is an integer number (11603007).

Almost surely, 2^145995125 is an apocalyptic number.

It is an amenable number.

145995125 is a deficient number, since it is larger than the sum of its proper divisors (39652987).

145995125 is an equidigital number, since it uses as much as digits as its factorization.

145995125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22105 (or 22095 counting only the distinct ones).

The product of its digits is 81000, while the sum is 41.

The square root of 145995125 is about 12082.8442429752. The cubic root of 145995125 is about 526.5578820253.

The spelling of 145995125 in words is "one hundred forty-five million, nine hundred ninety-five thousand, one hundred twenty-five".