145504521126344 has 16 divisors (see below), whose sum is σ = 272822967530700. Its totient is φ = 72751729784832.

The previous prime is 145504521126331. The next prime is 145504521126347. The reversal of 145504521126344 is 443621125405541.

It can be written as a sum of positive squares in 2 ways, for example, as 144332303490244 + 1172217636100 = 12013838^2 + 1082690^2 .

It is not an unprimeable number, because it can be changed into a prime (145504521126347) 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, 65181017 + ... + 67376360.

Almost surely, 2^{145504521126344} is an apocalyptic number.

It is an amenable number.

145504521126344 is a deficient number, since it is larger than the sum of its proper divisors (127318446404356).

145504521126344 is a wasteful number, since it uses less digits than its factorization.

145504521126344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132694592 (or 132694588 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 47.

The spelling of 145504521126344 in words is "one hundred forty-five trillion, five hundred four billion, five hundred twenty-one million, one hundred twenty-six thousand, three hundred forty-four".