148538653 has 2 divisors, whose sum is σ = 148538654. Its totient is φ = 148538652.

The previous prime is 148538647. The next prime is 148538729. The reversal of 148538653 is 356835841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135419769 + 13118884 = 11637^2 + 3622^2 .

It is a cyclic number.

It is not a de Polignac number, because 148538653 - 2⁹ = 148538141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148538353) 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, 74269326 + 74269327.

It is an arithmetic number, because the mean of its divisors is an integer number (74269327).

Almost surely, 2^148538653 is an apocalyptic number.

It is an amenable number.

148538653 is a deficient number, since it is larger than the sum of its proper divisors (1).

148538653 is an equidigital number, since it uses as much as digits as its factorization.

148538653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 43.

The square root of 148538653 is about 12187.6434555660. The cubic root of 148538653 is about 529.5981919542.

The spelling of 148538653 in words is "one hundred forty-eight million, five hundred thirty-eight thousand, six hundred fifty-three".