1094443157 has 2 divisors, whose sum is σ = 1094443158. Its totient is φ = 1094443156.

The previous prime is 1094443139. The next prime is 1094443177. The reversal of 1094443157 is 7513444901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 867066916 + 227376241 = 29446^2 + 15079^2 .

It is a cyclic number.

It is not a de Polignac number, because 1094443157 - 2²⁰ = 1093394581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1094443157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1094443177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547221578 + 547221579.

It is an arithmetic number, because the mean of its divisors is an integer number (547221579).

Almost surely, 2^1094443157 is an apocalyptic number.

It is an amenable number.

1094443157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1094443157 is an equidigital number, since it uses as much as digits as its factorization.

1094443157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1094443157 is about 33082.3692773054. The cubic root of 1094443157 is about 1030.5389321518.

The spelling of 1094443157 in words is "one billion, ninety-four million, four hundred forty-three thousand, one hundred fifty-seven".