148477667585 has 16 divisors (see below), whose sum is σ = 192491889744. Its totient is φ = 109294728192.

The previous prime is 148477667561. The next prime is 148477667623. The reversal of 148477667585 is 585766774841.

It is a Cunningham number, because it is equal to 385328²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 83412371344 + 65065296241 = 288812^2 + 255079^2 .

It is not a de Polignac number, because 148477667585 - 2²⁰ = 148476619009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3628652 + ... + 3669341.

It is an arithmetic number, because the mean of its divisors is an integer number (12030743109).

Almost surely, 2^148477667585 is an apocalyptic number.

It is an amenable number.

148477667585 is a deficient number, since it is larger than the sum of its proper divisors (44014222159).

148477667585 is a wasteful number, since it uses less digits than its factorization.

148477667585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7298324.

The product of its digits is 316108800, while the sum is 68.

The spelling of 148477667585 in words is "one hundred forty-eight billion, four hundred seventy-seven million, six hundred sixty-seven thousand, five hundred eighty-five".