155545413 has 8 divisors (see below), whose sum is σ = 207451776. Its totient is φ = 103668000.

The previous prime is 155545387. The next prime is 155545433. The reversal of 155545413 is 314545551.

155545413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 155545413 - 2⁸ = 155545157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155545433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15588 + ... + 23538.

It is an arithmetic number, because the mean of its divisors is an integer number (25931472).

Almost surely, 2^155545413 is an apocalyptic number.

It is an amenable number.

155545413 is a deficient number, since it is larger than the sum of its proper divisors (51906363).

155545413 is an equidigital number, since it uses as much as digits as its factorization.

155545413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14475.

The product of its digits is 30000, while the sum is 33.

The square root of 155545413 is about 12471.7846758193. The cubic root of 155545413 is about 537.7978596425.

The spelling of 155545413 in words is "one hundred fifty-five million, five hundred forty-five thousand, four hundred thirteen".