145052325 has 72 divisors (see below), whose sum is σ = 286678080. Its totient is φ = 69523200.

The previous prime is 145052309. The next prime is 145052339. The reversal of 145052325 is 523250541.

It is a happy number.

It is not a de Polignac number, because 145052325 - 2⁴ = 145052309 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 254641 + ... + 255209.

It is an arithmetic number, because the mean of its divisors is an integer number (3981640).

Almost surely, 2^145052325 is an apocalyptic number.

145052325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145052325 is a deficient number, since it is larger than the sum of its proper divisors (141625755).

145052325 is a wasteful number, since it uses less digits than its factorization.

145052325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 145052325 is about 12043.7670601851. The cubic root of 145052325 is about 525.4219736690.

The spelling of 145052325 in words is "one hundred forty-five million, fifty-two thousand, three hundred twenty-five".