155340002545 has 32 divisors (see below), whose sum is σ = 229630286592. Its totient is φ = 98237221632.

The previous prime is 155340002491. The next prime is 155340002549. The reversal of 155340002545 is 545200043551.

155340002545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155340002545 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 155340002545.

It is not an unprimeable number, because it can be changed into a prime (155340002549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 358959 + ... + 662971.

It is an arithmetic number, because the mean of its divisors is an integer number (7175946456).

Almost surely, 2^155340002545 is an apocalyptic number.

It is an amenable number.

155340002545 is a deficient number, since it is larger than the sum of its proper divisors (74290284047).

155340002545 is a wasteful number, since it uses less digits than its factorization.

155340002545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305161.

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 155340002545 in words is "one hundred fifty-five billion, three hundred forty million, two thousand, five hundred forty-five".