145474246783 has 4 divisors (see below), whose sum is σ = 145476388440. Its totient is φ = 145472105128.

The previous prime is 145474246781. The next prime is 145474246789. The reversal of 145474246783 is 387642474541.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 145474246783 - 2¹ = 145474246781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145474246781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 965485 + ... + 1105942.

It is an arithmetic number, because the mean of its divisors is an integer number (36369097110).

Almost surely, 2^145474246783 is an apocalyptic number.

145474246783 is a deficient number, since it is larger than the sum of its proper divisors (2141657).

145474246783 is an equidigital number, since it uses as much as digits as its factorization.

145474246783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141656.

The product of its digits is 18063360, while the sum is 55.

The spelling of 145474246783 in words is "one hundred forty-five billion, four hundred seventy-four million, two hundred forty-six thousand, seven hundred eighty-three".