148090071893 has 4 divisors (see below), whose sum is σ = 151702024908. Its totient is φ = 144478118880.

The previous prime is 148090071889. The next prime is 148090071907. The reversal of 148090071893 is 398170090841.

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 41645789329 + 106444282564 = 204073^2 + 326258^2 .

It is a cyclic number.

It is not a de Polignac number, because 148090071893 - 2² = 148090071889 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148090071853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1805976446 + ... + 1805976527.

It is an arithmetic number, because the mean of its divisors is an integer number (37925506227).

Almost surely, 2^148090071893 is an apocalyptic number.

It is an amenable number.

148090071893 is a deficient number, since it is larger than the sum of its proper divisors (3611953015).

148090071893 is an equidigital number, since it uses as much as digits as its factorization.

148090071893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611953014.

The product of its (nonzero) digits is 435456, while the sum is 50.

The spelling of 148090071893 in words is "one hundred forty-eight billion, ninety million, seventy-one thousand, eight hundred ninety-three".