155441425 has 6 divisors (see below), whose sum is σ = 192747398. Its totient is φ = 124353120.

The previous prime is 155441411. The next prime is 155441441. The reversal of 155441425 is 524144551.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 588289 + 154853136 = 767^2 + 12444^2 .

It is not a de Polignac number, because 155441425 - 2⁵ = 155441393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3108804 + ... + 3108853.

Almost surely, 2^155441425 is an apocalyptic number.

It is an amenable number.

155441425 is a deficient number, since it is larger than the sum of its proper divisors (37305973).

155441425 is an equidigital number, since it uses as much as digits as its factorization.

155441425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6217667 (or 6217662 counting only the distinct ones).

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

The square root of 155441425 is about 12467.6150485969. The cubic root of 155441425 is about 537.6779868457.

Adding to 155441425 its reverse (524144551), we get a palindrome (679585976).

The spelling of 155441425 in words is "one hundred fifty-five million, four hundred forty-one thousand, four hundred twenty-five".