145045450012544 has 32 divisors (see below), whose sum is σ = 288971013034800. Its totient is φ = 72519391839232.

The previous prime is 145045450012543. The next prime is 145045450012553. The reversal of 145045450012544 is 445210054540541.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 145045450012495 and 145045450012504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145045450012543) 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, 23243309 + ... + 28815660.

Almost surely, 2^{145045450012544} is an apocalyptic number.

It is an amenable number.

145045450012544 is a deficient number, since it is larger than the sum of its proper divisors (143925563022256).

145045450012544 is an equidigital number, since it uses as much as digits as its factorization.

145045450012544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52080750 (or 52080738 counting only the distinct ones).

The product of its (nonzero) digits is 1280000, while the sum is 44.

The spelling of 145045450012544 in words is "one hundred forty-five trillion, forty-five billion, four hundred fifty million, twelve thousand, five hundred forty-four".