155224244325 has 24 divisors (see below), whose sum is σ = 256953963616. Its totient is φ = 82684152000.

The previous prime is 155224244309. The next prime is 155224244353. The reversal of 155224244325 is 523442422551.

It is not a de Polignac number, because 155224244325 - 2⁴ = 155224244309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1215166 + ... + 1336815.

Almost surely, 2^155224244325 is an apocalyptic number.

155224244325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155224244325 is a deficient number, since it is larger than the sum of its proper divisors (101729719291).

155224244325 is a wasteful number, since it uses less digits than its factorization.

155224244325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552805 (or 2552800 counting only the distinct ones).

The product of its digits is 384000, while the sum is 39.

Adding to 155224244325 its reverse (523442422551), we get a palindrome (678666666876).

The spelling of 155224244325 in words is "one hundred fifty-five billion, two hundred twenty-four million, two hundred forty-four thousand, three hundred twenty-five".