1145458426 has 8 divisors (see below), whose sum is σ = 1963643040. Its totient is φ = 490910748.

The previous prime is 1145458423. The next prime is 1145458439. The reversal of 1145458426 is 6248545411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1145458423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40909216 + ... + 40909243.

It is an arithmetic number, because the mean of its divisors is an integer number (245455380).

Almost surely, 2^1145458426 is an apocalyptic number.

1145458426 is a deficient number, since it is larger than the sum of its proper divisors (818184614).

1145458426 is an equidigital number, since it uses as much as digits as its factorization.

1145458426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81818468.

The product of its digits is 153600, while the sum is 40.

The square root of 1145458426 is about 33844.6218179492. The cubic root of 1145458426 is about 1046.3085569263.

The spelling of 1145458426 in words is "one billion, one hundred forty-five million, four hundred fifty-eight thousand, four hundred twenty-six".