149159653 has 2 divisors, whose sum is σ = 149159654. Its totient is φ = 149159652.

The previous prime is 149159641. The next prime is 149159677. The reversal of 149159653 is 356951941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148791204 + 368449 = 12198^2 + 607^2 .

It is a cyclic number.

It is not a de Polignac number, because 149159653 - 2¹³ = 149151461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149159453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74579826 + 74579827.

It is an arithmetic number, because the mean of its divisors is an integer number (74579827).

Almost surely, 2^149159653 is an apocalyptic number.

It is an amenable number.

149159653 is a deficient number, since it is larger than the sum of its proper divisors (1).

149159653 is an equidigital number, since it uses as much as digits as its factorization.

149159653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145800, while the sum is 43.

The square root of 149159653 is about 12213.0935065609. The cubic root of 149159653 is about 530.3352015069.

The spelling of 149159653 in words is "one hundred forty-nine million, one hundred fifty-nine thousand, six hundred fifty-three".