149584949 has 2 divisors, whose sum is σ = 149584950. Its totient is φ = 149584948.

The previous prime is 149584927. The next prime is 149584991. The reversal of 149584949 is 949485941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146845924 + 2739025 = 12118^2 + 1655^2 .

It is an emirp because it is prime and its reverse (949485941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149584949 - 2¹² = 149580853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149584949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149584049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74792474 + 74792475.

It is an arithmetic number, because the mean of its divisors is an integer number (74792475).

Almost surely, 2^149584949 is an apocalyptic number.

It is an amenable number.

149584949 is a deficient number, since it is larger than the sum of its proper divisors (1).

149584949 is an equidigital number, since it uses as much as digits as its factorization.

149584949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 53.

The square root of 149584949 is about 12230.4925902435. The cubic root of 149584949 is about 530.8387680010.

The spelling of 149584949 in words is "one hundred forty-nine million, five hundred eighty-four thousand, nine hundred forty-nine".