145706394449 has 8 divisors (see below), whose sum is σ = 181659920448. Its totient is φ = 113537450160.

The previous prime is 145706394439. The next prime is 145706394473. The reversal of 145706394449 is 944493607541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145706394449 - 2⁴ = 145706394433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 145706394394 and 145706394403.

It is not an unprimeable number, because it can be changed into a prime (145706394439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 946145342 + ... + 946145495.

It is an arithmetic number, because the mean of its divisors is an integer number (22707490056).

Almost surely, 2^145706394449 is an apocalyptic number.

It is an amenable number.

145706394449 is a deficient number, since it is larger than the sum of its proper divisors (35953525999).

145706394449 is a wasteful number, since it uses less digits than its factorization.

145706394449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892290855.

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 145706394449 in words is "one hundred forty-five billion, seven hundred six million, three hundred ninety-four thousand, four hundred forty-nine".