149827851 has 24 divisors (see below), whose sum is σ = 231744240. Its totient is φ = 92944896.

The previous prime is 149827823. The next prime is 149827871. The reversal of 149827851 is 158728941.

It is not a de Polignac number, because 149827851 - 2⁷ = 149827723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149827797 and 149827806.

It is not an unprimeable number, because it can be changed into a prime (149827871) 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 23 ways as a sum of consecutive naturals, for example, 8116 + ... + 19118.

It is an arithmetic number, because the mean of its divisors is an integer number (9656010).

Almost surely, 2^149827851 is an apocalyptic number.

149827851 is a deficient number, since it is larger than the sum of its proper divisors (81916389).

149827851 is a wasteful number, since it uses less digits than its factorization.

149827851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11115 (or 11112 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The square root of 149827851 is about 12240.4187428372. The cubic root of 149827851 is about 531.1259449943.

The spelling of 149827851 in words is "one hundred forty-nine million, eight hundred twenty-seven thousand, eight hundred fifty-one".