148782813497 has 4 divisors (see below), whose sum is σ = 148783845456. Its totient is φ = 148781781540.

The previous prime is 148782813479. The next prime is 148782813503. The reversal of 148782813497 is 794318287841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 148782813497 - 2²⁴ = 148766036281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148782813997) 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, 256079 + ... + 602612.

It is an arithmetic number, because the mean of its divisors is an integer number (37195961364).

Almost surely, 2^148782813497 is an apocalyptic number.

It is an amenable number.

148782813497 is a deficient number, since it is larger than the sum of its proper divisors (1031959).

148782813497 is an equidigital number, since it uses as much as digits as its factorization.

148782813497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031958.

The product of its digits is 21676032, while the sum is 62.

The spelling of 148782813497 in words is "one hundred forty-eight billion, seven hundred eighty-two million, eight hundred thirteen thousand, four hundred ninety-seven".