1144540496 has 40 divisors (see below), whose sum is σ = 2421327168. Its totient is φ = 519776000.

The previous prime is 1144540489. The next prime is 1144540517. The reversal of 1144540496 is 6940454411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 258461 + ... + 262851.

Almost surely, 2^1144540496 is an apocalyptic number.

1144540496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1144540496 is an abundant number, since it is smaller than the sum of its proper divisors (1276786672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144540496 is a wasteful number, since it uses less digits than its factorization.

1144540496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5891 (or 5885 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 1144540496 is about 33831.0581566702. The cubic root of 1144540496 is about 1046.0289906380.

The spelling of 1144540496 in words is "one billion, one hundred forty-four million, five hundred forty thousand, four hundred ninety-six".