1144540534 has 8 divisors (see below), whose sum is σ = 1736101080. Its totient is φ = 565840176.

The previous prime is 1144540517. The next prime is 1144540541. The reversal of 1144540534 is 4350454411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1144540496 and 1144540505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3214824 + ... + 3215179.

It is an arithmetic number, because the mean of its divisors is an integer number (217012635).

Almost surely, 2^1144540534 is an apocalyptic number.

1144540534 is a deficient number, since it is larger than the sum of its proper divisors (591560546).

1144540534 is an equidigital number, since it uses as much as digits as its factorization.

1144540534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6430094.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 1144540534 is about 33831.0587182843. The cubic root of 1144540534 is about 1046.0290022144.

Adding to 1144540534 its reverse (4350454411), we get a palindrome (5494994945).

The spelling of 1144540534 in words is "one billion, one hundred forty-four million, five hundred forty thousand, five hundred thirty-four".