145734039447 has 16 divisors (see below), whose sum is σ = 199277457120. Its totient is φ = 94678707200.

The previous prime is 145734039443. The next prime is 145734039463. The reversal of 145734039447 is 744930437541.

It is a cyclic number.

It is not a de Polignac number, because 145734039447 - 2² = 145734039443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145734039447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145734039443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564072 + ... + 780797.

It is an arithmetic number, because the mean of its divisors is an integer number (12454841070).

Almost surely, 2^145734039447 is an apocalyptic number.

145734039447 is a deficient number, since it is larger than the sum of its proper divisors (53543417673).

145734039447 is a wasteful number, since it uses less digits than its factorization.

145734039447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345794.

The product of its (nonzero) digits is 5080320, while the sum is 51.

The spelling of 145734039447 in words is "one hundred forty-five billion, seven hundred thirty-four million, thirty-nine thousand, four hundred forty-seven".