145564054544 has 20 divisors (see below), whose sum is σ = 284768517696. Its totient is φ = 72075404832.

The previous prime is 145564054529. The next prime is 145564054547. The reversal of 145564054544 is 445450465541.

It is not an unprimeable number, because it can be changed into a prime (145564054547) 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, 44162204 + ... + 44165499.

Almost surely, 2^145564054544 is an apocalyptic number.

It is an amenable number.

145564054544 is a deficient number, since it is larger than the sum of its proper divisors (139204463152).

145564054544 is a wasteful number, since it uses less digits than its factorization.

145564054544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88327814 (or 88327808 counting only the distinct ones).

The product of its (nonzero) digits is 3840000, while the sum is 47.

The spelling of 145564054544 in words is "one hundred forty-five billion, five hundred sixty-four million, fifty-four thousand, five hundred forty-four".