155045102422545 has 120 divisors (see below), whose sum is σ = 294130003584384. Its totient is φ = 78125094412992.

The previous prime is 155045102422481. The next prime is 155045102422591. The reversal of 155045102422545 is 545224201540551.

155045102422545 is a `hidden beast` number, since 1 + 5 + 50 + 4 + 5 + 10 + 2 + 42 + 2 + 545 = 666.

It is not a de Polignac number, because 155045102422545 - 2⁶ = 155045102422481 is a prime.

It is a super-3 number, since 3×155045102422545³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 155045102422545.

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 119 ways as a sum of consecutive naturals, for example, 52212462 + ... + 55102008.

Almost surely, 2^{155045102422545} is an apocalyptic number.

155045102422545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155045102422545 is a deficient number, since it is larger than the sum of its proper divisors (139084901161839).

155045102422545 is a wasteful number, since it uses less digits than its factorization.

155045102422545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889969 (or 2889941 counting only the distinct ones).

The product of its (nonzero) digits is 1600000, while the sum is 45.

The spelling of 155045102422545 in words is "one hundred fifty-five trillion, forty-five billion, one hundred two million, four hundred twenty-two thousand, five hundred forty-five".