145452125 has 64 divisors (see below), whose sum is σ = 235522560. Its totient is φ = 87091200.

The previous prime is 145452113. The next prime is 145452137. The reversal of 145452125 is 521254541.

It is an interprime number because it is at equal distance from previous prime (145452113) and next prime (145452137).

It is not a de Polignac number, because 145452125 - 2¹⁶ = 145386589 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 63 ways as a sum of consecutive naturals, for example, 215789 + ... + 216461.

It is an arithmetic number, because the mean of its divisors is an integer number (3680040).

Almost surely, 2^145452125 is an apocalyptic number.

It is an amenable number.

145452125 is a deficient number, since it is larger than the sum of its proper divisors (90070435).

145452125 is a wasteful number, since it uses less digits than its factorization.

145452125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727 (or 717 counting only the distinct ones).

The product of its digits is 8000, while the sum is 29.

The square root of 145452125 is about 12060.3534359487. The cubic root of 145452125 is about 525.9042617083.

The spelling of 145452125 in words is "one hundred forty-five million, four hundred fifty-two thousand, one hundred twenty-five".