1147443078 has 16 divisors (see below), whose sum is σ = 2300342256. Its totient is φ = 381571680.

The previous prime is 1147443071. The next prime is 1147443107. The reversal of 1147443078 is 8703447411.

It is a super-2 number, since 2×1147443078² = 2633251234500228168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147443071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224601 + ... + 229652.

It is an arithmetic number, because the mean of its divisors is an integer number (143771391).

Almost surely, 2^1147443078 is an apocalyptic number.

1147443078 is an abundant number, since it is smaller than the sum of its proper divisors (1152899178).

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

1147443078 is a wasteful number, since it uses less digits than its factorization.

1147443078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454679.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 1147443078 is about 33873.9291786471. The cubic root of 1147443078 is about 1046.9124956859.

The spelling of 1147443078 in words is "one billion, one hundred forty-seven million, four hundred forty-three thousand, seventy-eight".