155130425 has 12 divisors (see below), whose sum is σ = 198995820. Its totient is φ = 119824320.

The previous prime is 155130397. The next prime is 155130431. The reversal of 155130425 is 524031551.

It can be written as a sum of positive squares in 6 ways, for example, as 6948496 + 148181929 = 2636^2 + 12173^2 .

It is not a de Polignac number, because 155130425 - 2¹⁴ = 155114041 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 155130394 and 155130403.

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, 106262 + ... + 107711.

It is an arithmetic number, because the mean of its divisors is an integer number (16582985).

Almost surely, 2^155130425 is an apocalyptic number.

It is an amenable number.

155130425 is a deficient number, since it is larger than the sum of its proper divisors (43865395).

155130425 is a wasteful number, since it uses less digits than its factorization.

155130425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214012 (or 214007 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 155130425 is about 12455.1364906210. The cubic root of 155130425 is about 537.3191603647.

Adding to 155130425 its reverse (524031551), we get a palindrome (679161976).

The spelling of 155130425 in words is "one hundred fifty-five million, one hundred thirty thousand, four hundred twenty-five".