155980413 has 12 divisors (see below), whose sum is σ = 225419740. Its totient is φ = 103934016.

The previous prime is 155980399. The next prime is 155980439. The reversal of 155980413 is 314089551.

155980413 is a `hidden beast` number, since 155 + 98 + 0 + 413 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 67864644 + 88115769 = 8238^2 + 9387^2 .

It is not a de Polignac number, because 155980413 - 2⁵ = 155980381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155980453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23643 + ... + 29511.

Almost surely, 2^155980413 is an apocalyptic number.

It is an amenable number.

155980413 is a deficient number, since it is larger than the sum of its proper divisors (69439327).

155980413 is a wasteful number, since it uses less digits than its factorization.

155980413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8828 (or 8825 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 155980413 is about 12489.2118646454. The cubic root of 155980413 is about 538.2987301406.

The spelling of 155980413 in words is "one hundred fifty-five million, nine hundred eighty thousand, four hundred thirteen".