1144145604 has 24 divisors (see below), whose sum is σ = 3051055168. Its totient is φ = 326898720.

The previous prime is 1144145593. The next prime is 1144145633. The reversal of 1144145604 is 4065414411.

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, 6810307 + ... + 6810474.

Almost surely, 2^1144145604 is an apocalyptic number.

1144145604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1144145604 is an abundant number, since it is smaller than the sum of its proper divisors (1906909564).

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

1144145604 is a wasteful number, since it uses less digits than its factorization.

1144145604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13620795 (or 13620793 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 1144145604 is about 33825.2214183440. The cubic root of 1144145604 is about 1045.9086756887.

The spelling of 1144145604 in words is "one billion, one hundred forty-four million, one hundred forty-five thousand, six hundred four".