149700149 has 2 divisors, whose sum is σ = 149700150. Its totient is φ = 149700148.

The previous prime is 149700137. The next prime is 149700167. The reversal of 149700149 is 941007941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98863249 + 50836900 = 9943^2 + 7130^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149700149 is a prime.

It is a super-2 number, since 2×149700149² = 44820269221244402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149700179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74850074 + 74850075.

It is an arithmetic number, because the mean of its divisors is an integer number (74850075).

Almost surely, 2^149700149 is an apocalyptic number.

It is an amenable number.

149700149 is a deficient number, since it is larger than the sum of its proper divisors (1).

149700149 is an equidigital number, since it uses as much as digits as its factorization.

149700149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 149700149 is about 12235.2012243363. The cubic root of 149700149 is about 530.9750048231.

The spelling of 149700149 in words is "one hundred forty-nine million, seven hundred thousand, one hundred forty-nine".