145736395946 has 4 divisors (see below), whose sum is σ = 218604593922. Its totient is φ = 72868197972.

The previous prime is 145736395939. The next prime is 145736395957. The reversal of 145736395946 is 649593637541.

145736395946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 127060167025 + 18676228921 = 356455^2 + 136661^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36434098985 + ... + 36434098988.

Almost surely, 2^145736395946 is an apocalyptic number.

145736395946 is a deficient number, since it is larger than the sum of its proper divisors (72868197976).

145736395946 is an equidigital number, since it uses as much as digits as its factorization.

145736395946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72868197975.

The product of its digits is 73483200, while the sum is 62.

The spelling of 145736395946 in words is "one hundred forty-five billion, seven hundred thirty-six million, three hundred ninety-five thousand, nine hundred forty-six".