145537325 has 12 divisors (see below), whose sum is σ = 180637248. Its totient is φ = 116319600.

The previous prime is 145537313. The next prime is 145537349. The reversal of 145537325 is 523735541.

145537325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145537325 - 2¹² = 145533229 is a prime.

It is a super-2 number, since 2×145537325² = 42362225936311250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 33530 + ... + 37620.

It is an arithmetic number, because the mean of its divisors is an integer number (15053104).

Almost surely, 2^145537325 is an apocalyptic number.

It is an amenable number.

145537325 is a deficient number, since it is larger than the sum of its proper divisors (35099923).

145537325 is a wasteful number, since it uses less digits than its factorization.

145537325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5524 (or 5519 counting only the distinct ones).

The product of its digits is 63000, while the sum is 35.

The square root of 145537325 is about 12063.8851536311. The cubic root of 145537325 is about 526.0069261812.

The spelling of 145537325 in words is "one hundred forty-five million, five hundred thirty-seven thousand, three hundred twenty-five".