155104425 has 36 divisors (see below), whose sum is σ = 317499520. Its totient is φ = 70904160.

The previous prime is 155104403. The next prime is 155104427. The reversal of 155104425 is 524401551.

It is not a de Polignac number, because 155104425 - 2⁷ = 155104297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155104427) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 47665 + ... + 50814.

Almost surely, 2^155104425 is an apocalyptic number.

155104425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155104425 is an abundant number, since it is smaller than the sum of its proper divisors (162395095).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155104425 is a wasteful number, since it uses less digits than its factorization.

155104425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98502 (or 98494 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 155104425 is about 12454.0927007952. The cubic root of 155104425 is about 537.2891402946.

Adding to 155104425 its reverse (524401551), we get a palindrome (679505976).

The spelling of 155104425 in words is "one hundred fifty-five million, one hundred four thousand, four hundred twenty-five".