148887737 has 2 divisors, whose sum is σ = 148887738. Its totient is φ = 148887736.

The previous prime is 148887731. The next prime is 148887793. The reversal of 148887737 is 737788841.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144096016 + 4791721 = 12004^2 + 2189^2 .

It is an emirp because it is prime and its reverse (737788841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148887737 - 2⁴ = 148887721 is a prime.

It is not a weakly prime, because it can be changed into another prime (148887731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74443868 + 74443869.

It is an arithmetic number, because the mean of its divisors is an integer number (74443869).

Almost surely, 2^148887737 is an apocalyptic number.

It is an amenable number.

148887737 is a deficient number, since it is larger than the sum of its proper divisors (1).

148887737 is an equidigital number, since it uses as much as digits as its factorization.

148887737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2107392, while the sum is 53.

The square root of 148887737 is about 12201.9562775811. The cubic root of 148887737 is about 530.0127408827.

The spelling of 148887737 in words is "one hundred forty-eight million, eight hundred eighty-seven thousand, seven hundred thirty-seven".