1144734578 has 16 divisors (see below), whose sum is σ = 1866473280. Its totient is φ = 523400016.

The previous prime is 1144734557. The next prime is 1144734581. The reversal of 1144734578 is 8754374411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202958 + ... + 208521.

It is an arithmetic number, because the mean of its divisors is an integer number (116654580).

Almost surely, 2^1144734578 is an apocalyptic number.

1144734578 is a deficient number, since it is larger than the sum of its proper divisors (721738702).

1144734578 is a wasteful number, since it uses less digits than its factorization.

1144734578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411601.

The product of its digits is 376320, while the sum is 44.

The square root of 1144734578 is about 33833.9264348671. The cubic root of 1144734578 is about 1046.0881130326.

The spelling of 1144734578 in words is "one billion, one hundred forty-four million, seven hundred thirty-four thousand, five hundred seventy-eight".