1157445467 has 4 divisors (see below), whose sum is σ = 1157606496. Its totient is φ = 1157284440.

The previous prime is 1157445461. The next prime is 1157445521. The reversal of 1157445467 is 7645447511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1157445467 - 2⁶ = 1157445403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1157445461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69203 + ... + 84284.

It is an arithmetic number, because the mean of its divisors is an integer number (289401624).

Almost surely, 2^1157445467 is an apocalyptic number.

1157445467 is a deficient number, since it is larger than the sum of its proper divisors (161029).

1157445467 is an equidigital number, since it uses as much as digits as its factorization.

1157445467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161028.

The product of its digits is 470400, while the sum is 44.

The square root of 1157445467 is about 34021.2502268803. The cubic root of 1157445467 is about 1049.9457166192.

The spelling of 1157445467 in words is "one billion, one hundred fifty-seven million, four hundred forty-five thousand, four hundred sixty-seven".