149047237 has 2 divisors, whose sum is σ = 149047238. Its totient is φ = 149047236.

The previous prime is 149047231. The next prime is 149047271. The reversal of 149047237 is 732740941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119115396 + 29931841 = 10914^2 + 5471^2 .

It is a cyclic number.

It is not a de Polignac number, because 149047237 - 2¹¹ = 149045189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149047196 and 149047205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149047231) 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 as a sum of consecutive naturals, namely, 74523618 + 74523619.

It is an arithmetic number, because the mean of its divisors is an integer number (74523619).

Almost surely, 2^149047237 is an apocalyptic number.

It is an amenable number.

149047237 is a deficient number, since it is larger than the sum of its proper divisors (1).

149047237 is an equidigital number, since it uses as much as digits as its factorization.

149047237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 149047237 is about 12208.4903653154. The cubic root of 149047237 is about 530.2019368150.

The spelling of 149047237 in words is "one hundred forty-nine million, forty-seven thousand, two hundred thirty-seven".