149327649 has 12 divisors (see below), whose sum is σ = 217790976. Its totient is φ = 98584632.

The previous prime is 149327639. The next prime is 149327683. The reversal of 149327649 is 946723941.

It is a happy number.

It is not a de Polignac number, because 149327649 - 2⁸ = 149327393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149327639) 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 11 ways as a sum of consecutive naturals, for example, 79617 + ... + 81470.

It is an arithmetic number, because the mean of its divisors is an integer number (18149248).

Almost surely, 2^149327649 is an apocalyptic number.

It is an amenable number.

149327649 is a deficient number, since it is larger than the sum of its proper divisors (68463327).

149327649 is a wasteful number, since it uses less digits than its factorization.

149327649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161196 (or 161193 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 149327649 is about 12219.9692716471. The cubic root of 149327649 is about 530.5342293342.

The spelling of 149327649 in words is "one hundred forty-nine million, three hundred twenty-seven thousand, six hundred forty-nine".