154540325 has 6 divisors (see below), whose sum is σ = 191630034. Its totient is φ = 123632240.

The previous prime is 154540313. The next prime is 154540327. The reversal of 154540325 is 523045451.

It can be written as a sum of positive squares in 3 ways, for example, as 829921 + 153710404 = 911^2 + 12398^2 .

It is not a de Polignac number, because 154540325 - 2²⁰ = 153491749 is a prime.

It is a super-2 number, since 2×154540325² = 47765424102211250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154540327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3090782 + ... + 3090831.

It is an arithmetic number, because the mean of its divisors is an integer number (31938339).

Almost surely, 2^154540325 is an apocalyptic number.

It is an amenable number.

154540325 is a deficient number, since it is larger than the sum of its proper divisors (37089709).

154540325 is an equidigital number, since it uses as much as digits as its factorization.

154540325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6181623 (or 6181618 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 154540325 is about 12431.4248982166. The cubic root of 154540325 is about 536.6369926024.

Adding to 154540325 its reverse (523045451), we get a palindrome (677585776).

The spelling of 154540325 in words is "one hundred fifty-four million, five hundred forty thousand, three hundred twenty-five".