1144361655 has 64 divisors (see below), whose sum is σ = 2065029120. Its totient is φ = 601233408.

The previous prime is 1144361653. The next prime is 1144361657. The reversal of 1144361655 is 5561634411.

It is an interprime number because it is at equal distance from previous prime (1144361653) and next prime (1144361657).

It is not a de Polignac number, because 1144361655 - 2¹ = 1144361653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144361653) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4351054 + ... + 4351316.

It is an arithmetic number, because the mean of its divisors is an integer number (32266080).

Almost surely, 2^1144361655 is an apocalyptic number.

1144361655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1144361655 is a deficient number, since it is larger than the sum of its proper divisors (920667465).

1144361655 is a wasteful number, since it uses less digits than its factorization.

1144361655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637 (or 631 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 1144361655 is about 33828.4149052243. The cubic root of 1144361655 is about 1045.9745051288.

The spelling of 1144361655 in words is "one billion, one hundred forty-four million, three hundred sixty-one thousand, six hundred fifty-five".