155012203545 has 32 divisors (see below), whose sum is σ = 248457619200. Its totient is φ = 82527289344.

The previous prime is 155012203543. The next prime is 155012203559. The reversal of 155012203545 is 545302210551.

It is not a de Polignac number, because 155012203545 - 2¹ = 155012203543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155012203543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23738841 + ... + 23745369.

It is an arithmetic number, because the mean of its divisors is an integer number (7764300600).

Almost surely, 2^155012203545 is an apocalyptic number.

155012203545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155012203545 is a deficient number, since it is larger than the sum of its proper divisors (93445415655).

155012203545 is a wasteful number, since it uses less digits than its factorization.

155012203545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9089.

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

The spelling of 155012203545 in words is "one hundred fifty-five billion, twelve million, two hundred three thousand, five hundred forty-five".