155424545524 has 6 divisors (see below), whose sum is σ = 271992954674. Its totient is φ = 77712272760.

The previous prime is 155424545489. The next prime is 155424545599. The reversal of 155424545524 is 425545424551.

It can be written as a sum of positive squares in only one way, i.e., 147832560100 + 7591985424 = 384490^2 + 87132^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19428068187 + ... + 19428068194.

Almost surely, 2^155424545524 is an apocalyptic number.

It is an amenable number.

155424545524 is a deficient number, since it is larger than the sum of its proper divisors (116568409150).

155424545524 is a wasteful number, since it uses less digits than its factorization.

155424545524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38856136385 (or 38856136383 counting only the distinct ones).

The product of its digits is 3200000, while the sum is 46.

The spelling of 155424545524 in words is "one hundred fifty-five billion, four hundred twenty-four million, five hundred forty-five thousand, five hundred twenty-four".