1145590093 has 4 divisors (see below), whose sum is σ = 1150047900. Its totient is φ = 1141132288.

The previous prime is 1145590063. The next prime is 1145590097. The reversal of 1145590093 is 3900955411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3900955411 = 23 ⋅169606757.

It can be written as a sum of positive squares in 2 ways, for example, as 809857764 + 335732329 = 28458^2 + 18323^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145590093 is a prime.

It is a super-2 number, since 2×1145590093² = 2624753322359497298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145590097) 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 3 ways as a sum of consecutive naturals, for example, 2228518 + ... + 2229031.

It is an arithmetic number, because the mean of its divisors is an integer number (287511975).

Almost surely, 2^1145590093 is an apocalyptic number.

It is an amenable number.

1145590093 is a deficient number, since it is larger than the sum of its proper divisors (4457807).

1145590093 is an equidigital number, since it uses as much as digits as its factorization.

1145590093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457806.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 1145590093 is about 33846.5669307834. The cubic root of 1145590093 is about 1046.3486453973.

The spelling of 1145590093 in words is "one billion, one hundred forty-five million, five hundred ninety thousand, ninety-three".