1145174773 has 2 divisors, whose sum is σ = 1145174774. Its totient is φ = 1145174772.

The previous prime is 1145174759. The next prime is 1145174801. The reversal of 1145174773 is 3774715411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 702409009 + 442765764 = 26503^2 + 21042^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145174773 - 2⁵ = 1145174741 is a prime.

It is a super-3 number, since 3×1145174773³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145174273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572587386 + 572587387.

It is an arithmetic number, because the mean of its divisors is an integer number (572587387).

Almost surely, 2^1145174773 is an apocalyptic number.

It is an amenable number.

1145174773 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145174773 is an equidigital number, since it uses as much as digits as its factorization.

1145174773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82320, while the sum is 40.

The square root of 1145174773 is about 33840.4310403990. The cubic root of 1145174773 is about 1046.2221830472. Note that the first 3 decimals are identical.

The spelling of 1145174773 in words is "one billion, one hundred forty-five million, one hundred seventy-four thousand, seven hundred seventy-three".