155237282325 has 96 divisors (see below), whose sum is σ = 293666918400. Its totient is φ = 80340284160.

The previous prime is 155237282309. The next prime is 155237282327. The reversal of 155237282325 is 523282732551.

155237282325 is a `hidden beast` number, since 1 + 552 + 3 + 72 + 8 + 2 + 3 + 25 = 666.

It is not a de Polignac number, because 155237282325 - 2⁴ = 155237282309 is a prime.

It is a super-2 number, since 2×155237282325² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155237282327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9557311 + ... + 9573539.

It is an arithmetic number, because the mean of its divisors is an integer number (3059030400).

Almost surely, 2^155237282325 is an apocalyptic number.

155237282325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155237282325 is a deficient number, since it is larger than the sum of its proper divisors (138429636075).

155237282325 is a wasteful number, since it uses less digits than its factorization.

155237282325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16668 (or 16657 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The spelling of 155237282325 in words is "one hundred fifty-five billion, two hundred thirty-seven million, two hundred eighty-two thousand, three hundred twenty-five".