145752025 has 12 divisors (see below), whose sum is σ = 181033552. Its totient is φ = 116407440.

The previous prime is 145751953. The next prime is 145752031. The reversal of 145752025 is 520257541.

It is a de Polignac number, because none of the positive numbers 2^k-145752025 is a prime.

It is a Duffinian 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, 11542 + ... + 20608.

Almost surely, 2^145752025 is an apocalyptic number.

It is an amenable number.

145752025 is a deficient number, since it is larger than the sum of its proper divisors (35281527).

145752025 is an equidigital number, since it uses as much as digits as its factorization.

145752025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9720 (or 9715 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 145752025 is about 12072.7803342892. The cubic root of 145752025 is about 526.2654582528.

The spelling of 145752025 in words is "one hundred forty-five million, seven hundred fifty-two thousand, twenty-five".