90614149 has 2 divisors, whose sum is σ = 90614150. Its totient is φ = 90614148.

The previous prime is 90614123. The next prime is 90614177. The reversal of 90614149 is 94141609.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82029249 + 8584900 = 9057^2 + 2930^2 .

It is a cyclic number.

It is not a de Polignac number, because 90614149 - 2⁹ = 90613637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90614189) 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, 45307074 + 45307075.

It is an arithmetic number, because the mean of its divisors is an integer number (45307075).

Almost surely, 2^90614149 is an apocalyptic number.

It is an amenable number.

90614149 is a deficient number, since it is larger than the sum of its proper divisors (1).

90614149 is an equidigital number, since it uses as much as digits as its factorization.

90614149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 90614149 is about 9519.1464428277. The cubic root of 90614149 is about 449.1575167038.

The spelling of 90614149 in words is "ninety million, six hundred fourteen thousand, one hundred forty-nine".