1145112501 has 16 divisors (see below), whose sum is σ = 1730805440. Its totient is φ = 667595520.

The previous prime is 1145112481. The next prime is 1145112511. The reversal of 1145112501 is 1052115411.

It is not a de Polignac number, because 1145112501 - 2¹⁹ = 1144588213 is a prime.

It is a super-2 number, since 2×1145112501² = 2622565279892950002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145112511) 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, 771940 + ... + 773421.

It is an arithmetic number, because the mean of its divisors is an integer number (108175340).

Almost surely, 2^1145112501 is an apocalyptic number.

It is an amenable number.

1145112501 is a deficient number, since it is larger than the sum of its proper divisors (585692939).

1145112501 is a wasteful number, since it uses less digits than its factorization.

1145112501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545396.

The product of its (nonzero) digits is 200, while the sum is 21.

The square root of 1145112501 is about 33839.5109450477. The cubic root of 1145112501 is about 1046.2032189758.

Adding to 1145112501 its reverse (1052115411), we get a palindrome (2197227912).

The spelling of 1145112501 in words is "one billion, one hundred forty-five million, one hundred twelve thousand, five hundred one".