1144540874 has 8 divisors (see below), whose sum is σ = 1740991968. Its totient is φ = 564210220.

The previous prime is 1144540807. The next prime is 1144540897. The reversal of 1144540874 is 4780454411.

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

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 3 ways as a sum of consecutive naturals, for example, 4029932 + ... + 4030215.

It is an arithmetic number, because the mean of its divisors is an integer number (217623996).

Almost surely, 2^1144540874 is an apocalyptic number.

1144540874 is a deficient number, since it is larger than the sum of its proper divisors (596451094).

1144540874 is an equidigital number, since it uses as much as digits as its factorization.

1144540874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8060220.

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 1144540874 is about 33831.0637432523. The cubic root of 1144540874 is about 1046.0291057931.

The spelling of 1144540874 in words is "one billion, one hundred forty-four million, five hundred forty thousand, eight hundred seventy-four".