149629786 has 8 divisors (see below), whose sum is σ = 224581140. Its totient is φ = 74769408.

The previous prime is 149629771. The next prime is 149629793. The reversal of 149629786 is 687926941.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 117310561 + 32319225 = 10831^2 + 5685^2 .

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

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, 18471 + ... + 25306.

Almost surely, 2^149629786 is an apocalyptic number.

149629786 is a deficient number, since it is larger than the sum of its proper divisors (74951354).

149629786 is a wasteful number, since it uses less digits than its factorization.

149629786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45488.

The product of its digits is 1306368, while the sum is 52.

The square root of 149629786 is about 12232.3254534859. The cubic root of 149629786 is about 530.8918010552.

The spelling of 149629786 in words is "one hundred forty-nine million, six hundred twenty-nine thousand, seven hundred eighty-six".