155244012455 has 32 divisors (see below), whose sum is σ = 216146810880. Its totient is φ = 104844378240.

The previous prime is 155244012419. The next prime is 155244012499. The reversal of 155244012455 is 554210442551.

It is a de Polignac number, because none of the positive numbers 2^k-155244012455 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515270 + ... + 758940.

It is an arithmetic number, because the mean of its divisors is an integer number (6754587840).

Almost surely, 2^155244012455 is an apocalyptic number.

155244012455 is a deficient number, since it is larger than the sum of its proper divisors (60902798425).

155244012455 is a wasteful number, since it uses less digits than its factorization.

155244012455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243959.

The product of its (nonzero) digits is 160000, while the sum is 38.

The spelling of 155244012455 in words is "one hundred fifty-five billion, two hundred forty-four million, twelve thousand, four hundred fifty-five".