149722107 has 4 divisors (see below), whose sum is σ = 199629480. Its totient is φ = 99814736.

The previous prime is 149722081. The next prime is 149722129. The reversal of 149722107 is 701227941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 149722107 - 2¹¹ = 149720059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149722187) 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, 24953682 + ... + 24953687.

It is an arithmetic number, because the mean of its divisors is an integer number (49907370).

Almost surely, 2^149722107 is an apocalyptic number.

149722107 is a deficient number, since it is larger than the sum of its proper divisors (49907373).

149722107 is an equidigital number, since it uses as much as digits as its factorization.

149722107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49907372.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 149722107 is about 12236.0985203618. The cubic root of 149722107 is about 531.0009646707. Note that the first 3 decimals are identical.

The spelling of 149722107 in words is "one hundred forty-nine million, seven hundred twenty-two thousand, one hundred seven".