145814625 has 48 divisors (see below), whose sum is σ = 286775424. Its totient is φ = 70692000.

The previous prime is 145814623. The next prime is 145814629. The reversal of 145814625 is 526418541.

It is a happy number.

145814625 is a `hidden beast` number, since 14 + 5 + 8 + 14 + 625 = 666.

It is not a de Polignac number, because 145814625 - 2¹ = 145814623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145814625.

It is not an unprimeable number, because it can be changed into a prime (145814623) 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, 6484 + ... + 18266.

It is an arithmetic number, because the mean of its divisors is an integer number (5974488).

Almost surely, 2^145814625 is an apocalyptic number.

145814625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145814625 is a deficient number, since it is larger than the sum of its proper divisors (140960799).

145814625 is a wasteful number, since it uses less digits than its factorization.

145814625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11815 (or 11802 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 145814625 is about 12075.3726650568. The cubic root of 145814625 is about 526.3407905448.

The spelling of 145814625 in words is "one hundred forty-five million, eight hundred fourteen thousand, six hundred twenty-five".