145636556743 has 4 divisors (see below), whose sum is σ = 154203413040. Its totient is φ = 137069700448.

The previous prime is 145636556731. The next prime is 145636556773. The reversal of 145636556743 is 347655636541.

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 145636556743 - 2²¹ = 145634459591 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 (145636556773) 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, 4283428123 + ... + 4283428156.

It is an arithmetic number, because the mean of its divisors is an integer number (38550853260).

Almost surely, 2^145636556743 is an apocalyptic number.

145636556743 is a deficient number, since it is larger than the sum of its proper divisors (8566856297).

145636556743 is an equidigital number, since it uses as much as digits as its factorization.

145636556743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8566856296.

The product of its digits is 27216000, while the sum is 55.

The spelling of 145636556743 in words is "one hundred forty-five billion, six hundred thirty-six million, five hundred fifty-six thousand, seven hundred forty-three".