1145590577 has 6 divisors (see below), whose sum is σ = 1213126038. Its totient is φ = 1078071552.

The previous prime is 1145590571. The next prime is 1145590619. The reversal of 1145590577 is 7750955411.

It can be written as a sum of positive squares in 3 ways, for example, as 512656 + 1145077921 = 716^2 + 33839^2 .

It is not a de Polignac number, because 1145590577 - 2²⁰ = 1144542001 is a prime.

It is a super-2 number, since 2×1145590577² = 2624755540222385858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145590571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135449 + ... + 143657.

It is an arithmetic number, because the mean of its divisors is an integer number (202187673).

Almost surely, 2^1145590577 is an apocalyptic number.

1145590577 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1145590577 is a deficient number, since it is larger than the sum of its proper divisors (67535461).

1145590577 is an frugal number, since it uses more digits than its factorization.

1145590577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16435 (or 8226 counting only the distinct ones).

The product of its (nonzero) digits is 220500, while the sum is 44.

The square root of 1145590577 is about 33846.5740806954. The cubic root of 1145590577 is about 1046.3487927544.

The spelling of 1145590577 in words is "one billion, one hundred forty-five million, five hundred ninety thousand, five hundred seventy-seven".