1149023854 has 8 divisors (see below), whose sum is σ = 1880220888. Its totient is φ = 522283560.

The previous prime is 1149023851. The next prime is 1149023861. The reversal of 1149023854 is 4583209411.

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

It is a super-2 number, since 2×1149023854² = 2640511634122026632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149023851) 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 3 ways as a sum of consecutive naturals, for example, 26114157 + ... + 26114200.

It is an arithmetic number, because the mean of its divisors is an integer number (235027611).

Almost surely, 2^1149023854 is an apocalyptic number.

1149023854 is a deficient number, since it is larger than the sum of its proper divisors (731197034).

1149023854 is a wasteful number, since it uses less digits than its factorization.

1149023854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52228370.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 1149023854 is about 33897.2543725889. The cubic root of 1149023854 is about 1047.3930350655.

It can be divided in two parts, 11490 and 23854, that added together give a square (35344 = 188²).

The spelling of 1149023854 in words is "one billion, one hundred forty-nine million, twenty-three thousand, eight hundred fifty-four".