1144540374 has 32 divisors (see below), whose sum is σ = 2347640064. Its totient is φ = 371794080.

The previous prime is 1144540349. The next prime is 1144540391. The reversal of 1144540374 is 4730454411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114127 + ... + 123749.

It is an arithmetic number, because the mean of its divisors is an integer number (73363752).

Almost surely, 2^1144540374 is an apocalyptic number.

1144540374 is an abundant number, since it is smaller than the sum of its proper divisors (1203099690).

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

1144540374 is a wasteful number, since it uses less digits than its factorization.

1144540374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10132.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 1144540374 is about 33831.0563535932. The cubic root of 1144540374 is about 1046.0289534715.

Adding to 1144540374 its reverse (4730454411), we get a palindrome (5874994785).

The spelling of 1144540374 in words is "one billion, one hundred forty-four million, five hundred forty thousand, three hundred seventy-four".