1145101503 has 16 divisors (see below), whose sum is σ = 1879141376. Its totient is φ = 604009440.

The previous prime is 1145101471. The next prime is 1145101513. The reversal of 1145101503 is 3051015411.

It is a happy number.

It is not a de Polignac number, because 1145101503 - 2⁵ = 1145101471 is a prime.

It is a super-2 number, since 2×1145101503² = 2622514904345718018, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1145101503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145101513) 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, 2096983 + ... + 2097528.

It is an arithmetic number, because the mean of its divisors is an integer number (117446336).

Almost surely, 2^1145101503 is an apocalyptic number.

1145101503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1145101503 is a deficient number, since it is larger than the sum of its proper divisors (734039873).

1145101503 is a wasteful number, since it uses less digits than its factorization.

1145101503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4194534.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1145101503 is about 33839.3484423090. The cubic root of 1145101503 is about 1046.1998696164.

Adding to 1145101503 its reverse (3051015411), we get a palindrome (4196116914).

The spelling of 1145101503 in words is "one billion, one hundred forty-five million, one hundred one thousand, five hundred three".