1144616654 has 8 divisors (see below), whose sum is σ = 1724423160. Its totient is φ = 569808936.

The previous prime is 1144616623. The next prime is 1144616687. The reversal of 1144616654 is 4566164411.

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

It is a super-2 number, since 2×1144616654² = 2620294569228311432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249124 + ... + 1250039.

It is an arithmetic number, because the mean of its divisors is an integer number (215552895).

Almost surely, 2^1144616654 is an apocalyptic number.

1144616654 is a deficient number, since it is larger than the sum of its proper divisors (579806506).

1144616654 is a wasteful number, since it uses less digits than its factorization.

1144616654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499394.

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

The square root of 1144616654 is about 33832.1837013220. The cubic root of 1144616654 is about 1046.0521911303.

The spelling of 1144616654 in words is "one billion, one hundred forty-four million, six hundred sixteen thousand, six hundred fifty-four".