1545091163 has 16 divisors (see below), whose sum is σ = 1934855424. Its totient is φ = 1198649760.

The previous prime is 1545091151. The next prime is 1545091183. The reversal of 1545091163 is 3611905451.

It is not a de Polignac number, because 1545091163 - 2¹⁶ = 1545025627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1545091133) 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, 26720 + ... + 61677.

It is an arithmetic number, because the mean of its divisors is an integer number (120928464).

Almost surely, 2^1545091163 is an apocalyptic number.

1545091163 is a deficient number, since it is larger than the sum of its proper divisors (389764261).

1545091163 is a wasteful number, since it uses less digits than its factorization.

1545091163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88642.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 1545091163 is about 39307.6476401221. The cubic root of 1545091163 is about 1156.0715212491.

The spelling of 1545091163 in words is "one billion, five hundred forty-five million, ninety-one thousand, one hundred sixty-three".