155044425 has 24 divisors (see below), whose sum is σ = 256724640. Its totient is φ = 82566400.

The previous prime is 155044397. The next prime is 155044429. The reversal of 155044425 is 524440551.

155044425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 155044425 - 2¹² = 155040329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155044392 and 155044401.

It is not an unprimeable number, because it can be changed into a prime (155044429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71761 + ... + 73889.

It is an arithmetic number, because the mean of its divisors is an integer number (10696860).

Almost surely, 2^155044425 is an apocalyptic number.

155044425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155044425 is a deficient number, since it is larger than the sum of its proper divisors (101680215).

155044425 is a wasteful number, since it uses less digits than its factorization.

155044425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113 (or 3108 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 155044425 is about 12451.6836211012. The cubic root of 155044425 is about 537.2198504035.

Adding to 155044425 its reverse (524440551), we get a palindrome (679484976).

The spelling of 155044425 in words is "one hundred fifty-five million, forty-four thousand, four hundred twenty-five".