149721714 has 24 divisors (see below), whose sum is σ = 330519852. Its totient is φ = 48965280.

The previous prime is 149721701. The next prime is 149721757. The reversal of 149721714 is 417127941.

149721714 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 147987225 + 1734489 = 12165^2 + 1317^2 .

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 77517 + ... + 79424.

Almost surely, 2^149721714 is an apocalyptic number.

149721714 is an abundant number, since it is smaller than the sum of its proper divisors (180798138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149721714 is a wasteful number, since it uses less digits than its factorization.

149721714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157002 (or 156999 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 149721714 is about 12236.0824613109. The cubic root of 149721714 is about 531.0005000687. Note that the first 3 decimals are identical.

The spelling of 149721714 in words is "one hundred forty-nine million, seven hundred twenty-one thousand, seven hundred fourteen".