149266237 has 2 divisors, whose sum is σ = 149266238. Its totient is φ = 149266236.

The previous prime is 149266231. The next prime is 149266241. The reversal of 149266237 is 732662941.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82337476 + 66928761 = 9074^2 + 8181^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149266237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149266237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149266231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74633118 + 74633119.

It is an arithmetic number, because the mean of its divisors is an integer number (74633119).

Almost surely, 2^149266237 is an apocalyptic number.

It is an amenable number.

149266237 is a deficient number, since it is larger than the sum of its proper divisors (1).

149266237 is an equidigital number, since it uses as much as digits as its factorization.

149266237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 149266237 is about 12217.4562409693. The cubic root of 149266237 is about 530.4614907719.

The spelling of 149266237 in words is "one hundred forty-nine million, two hundred sixty-six thousand, two hundred thirty-seven".