145614725 has 12 divisors (see below), whose sum is σ = 188413536. Its totient is φ = 111426480.

The previous prime is 145614709. The next prime is 145614731. The reversal of 145614725 is 527416541.

It is not a de Polignac number, because 145614725 - 2⁴ = 145614709 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

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, 126047 + ... + 127196.

It is an arithmetic number, because the mean of its divisors is an integer number (15701128).

Almost surely, 2^145614725 is an apocalyptic number.

It is an amenable number.

145614725 is a deficient number, since it is larger than the sum of its proper divisors (42798811).

145614725 is a wasteful number, since it uses less digits than its factorization.

145614725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253276 (or 253271 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 145614725 is about 12067.0926490187. The cubic root of 145614725 is about 526.1001570663.

The spelling of 145614725 in words is "one hundred forty-five million, six hundred fourteen thousand, seven hundred twenty-five".