1145076443477 has 4 divisors (see below), whose sum is σ = 1145300929356. Its totient is φ = 1144851957600.

The previous prime is 1145076443471. The next prime is 1145076443509. The reversal of 1145076443477 is 7743446705411.

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

It can be written as a sum of positive squares in 2 ways, for example, as 124382477041 + 1020693966436 = 352679^2 + 1010294^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145076443477 - 2¹⁶ = 1145076377941 is a prime.

It is a super-2 number, since 2×1145076443477² (a number of 25 digits) 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 (1145076443471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112235288 + ... + 112245489.

It is an arithmetic number, because the mean of its divisors is an integer number (286325232339).

Almost surely, 2^{1145076443477} is an apocalyptic number.

It is an amenable number.

1145076443477 is a deficient number, since it is larger than the sum of its proper divisors (224485879).

1145076443477 is an equidigital number, since it uses as much as digits as its factorization.

1145076443477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224485878.

The product of its (nonzero) digits is 7902720, while the sum is 53.

The spelling of 1145076443477 in words is "one trillion, one hundred forty-five billion, seventy-six million, four hundred forty-three thousand, four hundred seventy-seven".