148890050585 has 4 divisors (see below), whose sum is σ = 178668060708. Its totient is φ = 119112040464.

The previous prime is 148890050549. The next prime is 148890050593. The reversal of 148890050585 is 585050098841.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92510872336 + 56379178249 = 304156^2 + 237443^2 .

It is a cyclic number.

It is not a de Polignac number, because 148890050585 - 2⁸ = 148890050329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14889005054 + ... + 14889005063.

It is an arithmetic number, because the mean of its divisors is an integer number (44667015177).

Almost surely, 2^148890050585 is an apocalyptic number.

It is an amenable number.

148890050585 is a deficient number, since it is larger than the sum of its proper divisors (29778010123).

148890050585 is an equidigital number, since it uses as much as digits as its factorization.

148890050585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29778010122.

The product of its (nonzero) digits is 2304000, while the sum is 53.

The spelling of 148890050585 in words is "one hundred forty-eight billion, eight hundred ninety million, fifty thousand, five hundred eighty-five".