145266054399 has 12 divisors (see below), whose sum is σ = 217600180616. Its totient is φ = 96844036104.

The previous prime is 145266054379. The next prime is 145266054421. The reversal of 145266054399 is 993450662541.

145266054399 is a `hidden beast` number, since 1 + 4 + 5 + 2 + 6 + 6 + 0 + 543 + 99 = 666.

It is not a de Polignac number, because 145266054399 - 2⁹ = 145266053887 is a prime.

It is a super-2 number, since 2×145266054399² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145266054359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 298901104 + ... + 298901589.

Almost surely, 2^145266054399 is an apocalyptic number.

145266054399 is a deficient number, since it is larger than the sum of its proper divisors (72334126217).

145266054399 is an frugal number, since it uses more digits than its factorization.

145266054399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597802708 (or 597802696 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 54.

The spelling of 145266054399 in words is "one hundred forty-five billion, two hundred sixty-six million, fifty-four thousand, three hundred ninety-nine".