149722607 has 4 divisors (see below), whose sum is σ = 149748576. Its totient is φ = 149696640.

The previous prime is 149722597. The next prime is 149722619. The reversal of 149722607 is 706227941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 706227941 = 997 ⋅708353.

It is a cyclic number.

It is not a de Polignac number, because 149722607 - 2⁶ = 149722543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149722637) 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, 23 + ... + 17304.

It is an arithmetic number, because the mean of its divisors is an integer number (37437144).

Almost surely, 2^149722607 is an apocalyptic number.

149722607 is a deficient number, since it is larger than the sum of its proper divisors (25969).

149722607 is an equidigital number, since it uses as much as digits as its factorization.

149722607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25968.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 149722607 is about 12236.1189516938. The cubic root of 149722607 is about 531.0015557662.

The spelling of 149722607 in words is "one hundred forty-nine million, seven hundred twenty-two thousand, six hundred seven".