145541425 has 24 divisors (see below), whose sum is σ = 193122560. Its totient is φ = 108475200.

The previous prime is 145541371. The next prime is 145541441. The reversal of 145541425 is 524145541.

It is a happy number.

It is not a de Polignac number, because 145541425 - 2²⁵ = 111986993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26464 + ... + 31486.

Almost surely, 2^145541425 is an apocalyptic number.

It is an amenable number.

145541425 is a deficient number, since it is larger than the sum of its proper divisors (47581135).

145541425 is a wasteful number, since it uses less digits than its factorization.

145541425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5113 (or 5108 counting only the distinct ones).

The product of its digits is 16000, while the sum is 31.

The square root of 145541425 is about 12064.0550811077. The cubic root of 145541425 is about 526.0118655971.

Adding to 145541425 its reverse (524145541), we get a palindrome (669686966).

The spelling of 145541425 in words is "one hundred forty-five million, five hundred forty-one thousand, four hundred twenty-five".