1149623255 has 8 divisors (see below), whose sum is σ = 1504961424. Its totient is φ = 836089600.

The previous prime is 1149623213. The next prime is 1149623257. The reversal of 1149623255 is 5523269411.

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

It is not a de Polignac number, because 1149623255 - 2¹⁸ = 1149361111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149623257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10451066 + ... + 10451175.

It is an arithmetic number, because the mean of its divisors is an integer number (188120178).

Almost surely, 2^1149623255 is an apocalyptic number.

1149623255 is a deficient number, since it is larger than the sum of its proper divisors (355338169).

1149623255 is a wasteful number, since it uses less digits than its factorization.

1149623255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20902257.

The product of its digits is 64800, while the sum is 38.

The square root of 1149623255 is about 33906.0946586303. The cubic root of 1149623255 is about 1047.5751314581.

The spelling of 1149623255 in words is "one billion, one hundred forty-nine million, six hundred twenty-three thousand, two hundred fifty-five".