154155125 has 8 divisors (see below), whose sum is σ = 192385752. Its totient is φ = 123324000.

The previous prime is 154155109. The next prime is 154155137. The reversal of 154155125 is 521551451.

It can be written as a sum of positive squares in 4 ways, for example, as 27952369 + 126202756 = 5287^2 + 11234^2 .

It is not a de Polignac number, because 154155125 - 2⁴ = 154155109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616496 + ... + 616745.

It is an arithmetic number, because the mean of its divisors is an integer number (24048219).

Almost surely, 2^154155125 is an apocalyptic number.

It is an amenable number.

154155125 is a deficient number, since it is larger than the sum of its proper divisors (38230627).

154155125 is an equidigital number, since it uses as much as digits as its factorization.

154155125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233256 (or 1233246 counting only the distinct ones).

The product of its digits is 5000, while the sum is 29.

The square root of 154155125 is about 12415.9222371920. The cubic root of 154155125 is about 536.1907562018.

The spelling of 154155125 in words is "one hundred fifty-four million, one hundred fifty-five thousand, one hundred twenty-five".