149628653 has 2 divisors, whose sum is σ = 149628654. Its totient is φ = 149628652.

The previous prime is 149628641. The next prime is 149628673. The reversal of 149628653 is 356826941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125843524 + 23785129 = 11218^2 + 4877^2 .

It is a cyclic number.

It is not a de Polignac number, because 149628653 - 2¹⁰ = 149627629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149628613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74814326 + 74814327.

It is an arithmetic number, because the mean of its divisors is an integer number (74814327).

Almost surely, 2^149628653 is an apocalyptic number.

It is an amenable number.

149628653 is a deficient number, since it is larger than the sum of its proper divisors (1).

149628653 is an equidigital number, since it uses as much as digits as its factorization.

149628653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 44.

The square root of 149628653 is about 12232.2791416808. The cubic root of 149628653 is about 530.8904610771.

The spelling of 149628653 in words is "one hundred forty-nine million, six hundred twenty-eight thousand, six hundred fifty-three".