155682725145 has 16 divisors (see below), whose sum is σ = 249142189632. Its totient is φ = 83014176960.

The previous prime is 155682725123. The next prime is 155682725147. The reversal of 155682725145 is 541527286551.

It is not a de Polignac number, because 155682725145 - 2⁷ = 155682725017 is a prime.

It is a super-2 number, since 2×155682725145² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155682725147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 960442 + ... + 1110771.

It is an arithmetic number, because the mean of its divisors is an integer number (15571386852).

Almost surely, 2^155682725145 is an apocalyptic number.

155682725145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155682725145 is a deficient number, since it is larger than the sum of its proper divisors (93459464487).

155682725145 is a wasteful number, since it uses less digits than its factorization.

155682725145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076232.

The product of its digits is 3360000, while the sum is 51.

The spelling of 155682725145 in words is "one hundred fifty-five billion, six hundred eighty-two million, seven hundred twenty-five thousand, one hundred forty-five".