149506947 has 12 divisors (see below), whose sum is σ = 218689120. Its totient is φ = 98409168.

The previous prime is 149506939. The next prime is 149506957. The reversal of 149506947 is 749605941.

It is not a de Polignac number, because 149506947 - 2³ = 149506939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149506937) 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, 104428 + ... + 105849.

Almost surely, 2^149506947 is an apocalyptic number.

149506947 is a deficient number, since it is larger than the sum of its proper divisors (69182173).

149506947 is a wasteful number, since it uses less digits than its factorization.

149506947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210362 (or 210359 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 149506947 is about 12227.3033412932. The cubic root of 149506947 is about 530.7464822348.

The spelling of 149506947 in words is "one hundred forty-nine million, five hundred six thousand, nine hundred forty-seven".