145740886847 has 4 divisors (see below), whose sum is σ = 145751835936. Its totient is φ = 145729937760.

The previous prime is 145740886843. The next prime is 145740886849. The reversal of 145740886847 is 748688047541.

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 145740886847 - 2² = 145740886843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145740886847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145740886843) 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, 5454554 + ... + 5481207.

It is an arithmetic number, because the mean of its divisors is an integer number (36437958984).

Almost surely, 2^145740886847 is an apocalyptic number.

145740886847 is a deficient number, since it is larger than the sum of its proper divisors (10949089).

145740886847 is a wasteful number, since it uses less digits than its factorization.

145740886847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10949088.

The product of its (nonzero) digits is 48168960, while the sum is 62.

The spelling of 145740886847 in words is "one hundred forty-five billion, seven hundred forty million, eight hundred eighty-six thousand, eight hundred forty-seven".