149568446 has 8 divisors (see below), whose sum is σ = 224838624. Its totient is φ = 74622240.

The previous prime is 149568421. The next prime is 149568449. The reversal of 149568446 is 644865941.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 149568446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149568449) 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, 79835 + ... + 81686.

It is an arithmetic number, because the mean of its divisors is an integer number (28104828).

Almost surely, 2^149568446 is an apocalyptic number.

149568446 is a deficient number, since it is larger than the sum of its proper divisors (75270178).

149568446 is a wasteful number, since it uses less digits than its factorization.

149568446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161986.

The product of its digits is 829440, while the sum is 47.

The square root of 149568446 is about 12229.8179054310. The cubic root of 149568446 is about 530.8192456394.

The spelling of 149568446 in words is "one hundred forty-nine million, five hundred sixty-eight thousand, four hundred forty-six".