155413045 has 8 divisors (see below), whose sum is σ = 186801624. Its totient is φ = 124126464.

The previous prime is 155413033. The next prime is 155413073. The reversal of 155413045 is 540314551.

It can be written as a sum of positive squares in 4 ways, for example, as 2692881 + 152720164 = 1641^2 + 12358^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 155413045 - 2¹³ = 155404853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22104 + ... + 28273.

It is an arithmetic number, because the mean of its divisors is an integer number (23350203).

Almost surely, 2^155413045 is an apocalyptic number.

It is an amenable number.

155413045 is a deficient number, since it is larger than the sum of its proper divisors (31388579).

155413045 is an equidigital number, since it uses as much as digits as its factorization.

155413045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50999.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 155413045 is about 12466.4768479310. The cubic root of 155413045 is about 537.6452623430.

Adding to 155413045 its reverse (540314551), we get a palindrome (695727596).

The spelling of 155413045 in words is "one hundred fifty-five million, four hundred thirteen thousand, forty-five".