4521540155 has 16 divisors (see below), whose sum is σ = 5925844224. Its totient is φ = 3284650080.

The previous prime is 4521540137. The next prime is 4521540157. The reversal of 4521540155 is 5510451254.

It is not a de Polignac number, because 4521540155 - 2⁸ = 4521539899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4521540157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2444 + ... + 95126.

It is an arithmetic number, because the mean of its divisors is an integer number (370365264).

Almost surely, 2^4521540155 is an apocalyptic number.

4521540155 is a deficient number, since it is larger than the sum of its proper divisors (1404304069).

4521540155 is a wasteful number, since it uses less digits than its factorization.

4521540155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93586.

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 4521540155 is about 67242.3984923203. The cubic root of 4521540155 is about 1653.5936556478.

The spelling of 4521540155 in words is "four billion, five hundred twenty-one million, five hundred forty thousand, one hundred fifty-five".