1163153145 has 32 divisors (see below), whose sum is σ = 2320266240. Its totient is φ = 483387840.

The previous prime is 1163153143. The next prime is 1163153161. The reversal of 1163153145 is 5413513611.

It is not a de Polignac number, because 1163153145 - 2¹ = 1163153143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1163153143) 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, 502375 + ... + 504684.

It is an arithmetic number, because the mean of its divisors is an integer number (72508320).

Almost surely, 2^1163153145 is an apocalyptic number.

1163153145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1163153145 is a deficient number, since it is larger than the sum of its proper divisors (1157113095).

1163153145 is a wasteful number, since it uses less digits than its factorization.

1163153145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007085.

The product of its digits is 5400, while the sum is 30.

The square root of 1163153145 is about 34105.0310804726. The cubic root of 1163153145 is about 1051.6687433211.

Adding to 1163153145 its reverse (5413513611), we get a palindrome (6576666756).

The spelling of 1163153145 in words is "one billion, one hundred sixty-three million, one hundred fifty-three thousand, one hundred forty-five".