1145954959 has 4 divisors (see below), whose sum is σ = 1182921280. Its totient is φ = 1108988640.

The previous prime is 1145954951. The next prime is 1145954969. The reversal of 1145954959 is 9594595411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9594595411 = 631 ⋅15205381.

It is a cyclic number.

It is not a de Polignac number, because 1145954959 - 2³ = 1145954951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145954951) 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, 18483114 + ... + 18483175.

It is an arithmetic number, because the mean of its divisors is an integer number (295730320).

Almost surely, 2^1145954959 is an apocalyptic number.

1145954959 is a deficient number, since it is larger than the sum of its proper divisors (36966321).

1145954959 is an equidigital number, since it uses as much as digits as its factorization.

1145954959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36966320.

The product of its digits is 1458000, while the sum is 52.

The square root of 1145954959 is about 33851.9565018036. The cubic root of 1145954959 is about 1046.4597196005.

The spelling of 1145954959 in words is "one billion, one hundred forty-five million, nine hundred fifty-four thousand, nine hundred fifty-nine".