149866633 has 8 divisors (see below), whose sum is σ = 171476352. Its totient is φ = 128306976.

The previous prime is 149866631. The next prime is 149866637. The reversal of 149866633 is 336668941.

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

It is not a de Polignac number, because 149866633 - 2¹ = 149866631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149866631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5860 + ... + 18277.

It is an arithmetic number, because the mean of its divisors is an integer number (21434544).

Almost surely, 2^149866633 is an apocalyptic number.

It is an amenable number.

149866633 is a deficient number, since it is larger than the sum of its proper divisors (21609719).

149866633 is an equidigital number, since it uses as much as digits as its factorization.

149866633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25031.

The product of its digits is 559872, while the sum is 46.

The square root of 149866633 is about 12242.0028181666. The cubic root of 149866633 is about 531.1717672480.

The spelling of 149866633 in words is "one hundred forty-nine million, eight hundred sixty-six thousand, six hundred thirty-three".