155304145425 has 96 divisors (see below), whose sum is σ = 301986671616. Its totient is φ = 69431328000.

The previous prime is 155304145421. The next prime is 155304145441. The reversal of 155304145425 is 524541403551.

It is not a de Polignac number, because 155304145425 - 2² = 155304145421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (155304145421) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10535310 + ... + 10550040.

It is an arithmetic number, because the mean of its divisors is an integer number (3145694496).

Almost surely, 2^155304145425 is an apocalyptic number.

155304145425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155304145425 is a deficient number, since it is larger than the sum of its proper divisors (146682526191).

155304145425 is a wasteful number, since it uses less digits than its factorization.

155304145425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15751 (or 15746 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

Adding to 155304145425 its reverse (524541403551), we get a palindrome (679845548976).

The spelling of 155304145425 in words is "one hundred fifty-five billion, three hundred four million, one hundred forty-five thousand, four hundred twenty-five".