149241866 has 8 divisors (see below), whose sum is σ = 223918020. Its totient is φ = 74602528.

The previous prime is 149241853. The next prime is 149241887. The reversal of 149241866 is 668142941.

It can be written as a sum of positive squares in 2 ways, for example, as 148962025 + 279841 = 12205^2 + 529^2 .

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

It is a Curzon 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, 5870 + ... + 18246.

Almost surely, 2^149241866 is an apocalyptic number.

149241866 is a deficient number, since it is larger than the sum of its proper divisors (74676154).

149241866 is a wasteful number, since it uses less digits than its factorization.

149241866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18408.

The product of its digits is 82944, while the sum is 41.

The square root of 149241866 is about 12216.4588158762. The cubic root of 149241866 is about 530.4326193609.

The spelling of 149241866 in words is "one hundred forty-nine million, two hundred forty-one thousand, eight hundred sixty-six".