1143458445 has 16 divisors (see below), whose sum is σ = 1829967552. Its totient is φ = 609699840.

The previous prime is 1143458443. The next prime is 1143458453. The reversal of 1143458445 is 5448543411.

It is not a de Polignac number, because 1143458445 - 2¹ = 1143458443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143458443) 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, 94669 + ... + 106061.

It is an arithmetic number, because the mean of its divisors is an integer number (114372972).

Almost surely, 2^1143458445 is an apocalyptic number.

1143458445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1143458445 is a deficient number, since it is larger than the sum of its proper divisors (686509107).

1143458445 is a wasteful number, since it uses less digits than its factorization.

1143458445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18092.

The product of its digits is 153600, while the sum is 39.

The square root of 1143458445 is about 33815.0623982864. The cubic root of 1143458445 is about 1045.6992473645.

The spelling of 1143458445 in words is "one billion, one hundred forty-three million, four hundred fifty-eight thousand, four hundred forty-five".