1545155163 has 32 divisors (see below), whose sum is σ = 2386644480. Its totient is φ = 987124320.

The previous prime is 1545155159. The next prime is 1545155167. The reversal of 1545155163 is 3615515451.

1545155163 is a `hidden beast` number, since 1 + 5 + 45 + 1 + 551 + 63 = 666.

It is an interprime number because it is at equal distance from previous prime (1545155159) and next prime (1545155167).

It is not a de Polignac number, because 1545155163 - 2² = 1545155159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1545155167) 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, 48978 + ... + 74088.

It is an arithmetic number, because the mean of its divisors is an integer number (74582640).

Almost surely, 2^1545155163 is an apocalyptic number.

1545155163 is a deficient number, since it is larger than the sum of its proper divisors (841489317).

1545155163 is a wasteful number, since it uses less digits than its factorization.

1545155163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25216 (or 25210 counting only the distinct ones).

The product of its digits is 45000, while the sum is 36.

The square root of 1545155163 is about 39308.4617226368. The cubic root of 1545155163 is about 1156.0874831025.

The spelling of 1545155163 in words is "one billion, five hundred forty-five million, one hundred fifty-five thousand, one hundred sixty-three".