145502625 has 32 divisors (see below), whose sum is σ = 242895744. Its totient is φ = 77352000.

The previous prime is 145502603. The next prime is 145502633. The reversal of 145502625 is 526205541.

It is a de Polignac number, because none of the positive numbers 2^k-145502625 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145502592 and 145502601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219795 + ... + 220455.

It is an arithmetic number, because the mean of its divisors is an integer number (7590492).

Almost surely, 2^145502625 is an apocalyptic number.

145502625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145502625 is a deficient number, since it is larger than the sum of its proper divisors (97393119).

145502625 is an equidigital number, since it uses as much as digits as its factorization.

145502625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266 (or 1256 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 145502625 is about 12062.4468910748. The cubic root of 145502625 is about 525.9651181406.

The spelling of 145502625 in words is "one hundred forty-five million, five hundred two thousand, six hundred twenty-five".