5245540155 has 48 divisors (see below), whose sum is σ = 9754224480. Its totient is φ = 2701133568.

The previous prime is 5245540147. The next prime is 5245540171. The reversal of 5245540155 is 5510455425.

5245540155 is a `hidden beast` number, since 5 + 245 + 5 + 401 + 5 + 5 = 666.

It is not a de Polignac number, because 5245540155 - 2³ = 5245540147 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 39202 + ... + 109671.

It is an arithmetic number, because the mean of its divisors is an integer number (203213010).

Almost surely, 2^5245540155 is an apocalyptic number.

5245540155 is a deficient number, since it is larger than the sum of its proper divisors (4508684325).

5245540155 is a wasteful number, since it uses less digits than its factorization.

5245540155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148922 (or 148910 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 36.

The square root of 5245540155 is about 72426.1013378464. The cubic root of 5245540155 is about 1737.5210388909.

The spelling of 5245540155 in words is "five billion, two hundred forty-five million, five hundred forty thousand, one hundred fifty-five".