1143026164 has 24 divisors (see below), whose sum is σ = 2320176320. Its totient is φ = 482556096.

The previous prime is 1143026119. The next prime is 1143026177. The reversal of 1143026164 is 4616203411.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302769 + ... + 306520.

Almost surely, 2^1143026164 is an apocalyptic number.

1143026164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1143026164 is an abundant number, since it is smaller than the sum of its proper divisors (1177150156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143026164 is a wasteful number, since it uses less digits than its factorization.

1143026164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609367 (or 609365 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1143026164 is about 33808.6699531348. The cubic root of 1143026164 is about 1045.5674562782.

Adding to 1143026164 its reverse (4616203411), we get a palindrome (5759229575).

The spelling of 1143026164 in words is "one billion, one hundred forty-three million, twenty-six thousand, one hundred sixty-four".