155813413 has 8 divisors (see below), whose sum is σ = 181861632. Its totient is φ = 130712496.

The previous prime is 155813393. The next prime is 155813417. The reversal of 155813413 is 314318551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155813413 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 (155813417) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 236470 + ... + 237127.

It is an arithmetic number, because the mean of its divisors is an integer number (22732704).

Almost surely, 2^155813413 is an apocalyptic number.

It is an amenable number.

155813413 is a deficient number, since it is larger than the sum of its proper divisors (26048219).

155813413 is an equidigital number, since it uses as much as digits as its factorization.

155813413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473651.

The product of its digits is 7200, while the sum is 31.

The square root of 155813413 is about 12482.5243040020. The cubic root of 155813413 is about 538.1065521879.

The spelling of 155813413 in words is "one hundred fifty-five million, eight hundred thirteen thousand, four hundred thirteen".