149722337 has 4 divisors (see below), whose sum is σ = 157602480. Its totient is φ = 141842196.

The previous prime is 149722333. The next prime is 149722357. The reversal of 149722337 is 733227941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 149722337 - 2² = 149722333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149722337.

It is not an unprimeable number, because it can be changed into a prime (149722333) 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 3 ways as a sum of consecutive naturals, for example, 3940043 + ... + 3940080.

It is an arithmetic number, because the mean of its divisors is an integer number (39400620).

Almost surely, 2^149722337 is an apocalyptic number.

It is an amenable number.

149722337 is a deficient number, since it is larger than the sum of its proper divisors (7880143).

149722337 is an equidigital number, since it uses as much as digits as its factorization.

149722337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7880142.

The product of its digits is 63504, while the sum is 38.

The square root of 149722337 is about 12236.1079187787. The cubic root of 149722337 is about 531.0012365748.

The spelling of 149722337 in words is "one hundred forty-nine million, seven hundred twenty-two thousand, three hundred thirty-seven".