1144770523 has 4 divisors (see below), whose sum is σ = 1232829808. Its totient is φ = 1056711240.

The previous prime is 1144770521. The next prime is 1144770527. The reversal of 1144770523 is 3250774411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3250774411 = 47 ⋅69165413.

It is not a de Polignac number, because 1144770523 - 2¹ = 1144770521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144770521) 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, 44029623 + ... + 44029648.

It is an arithmetic number, because the mean of its divisors is an integer number (308207452).

Almost surely, 2^1144770523 is an apocalyptic number.

1144770523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1144770523 is a deficient number, since it is larger than the sum of its proper divisors (88059285).

1144770523 is an equidigital number, since it uses as much as digits as its factorization.

1144770523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88059284.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 1144770523 is about 33834.4576282819. The cubic root of 1144770523 is about 1046.0990620754.

The spelling of 1144770523 in words is "one billion, one hundred forty-four million, seven hundred seventy thousand, five hundred twenty-three".