145025532544 has 16 divisors (see below), whose sum is σ = 288918053370. Its totient is φ = 72512766208.

The previous prime is 145025532539. The next prime is 145025532571. The reversal of 145025532544 is 445235520541.

It can be written as a sum of positive squares in only one way, i.e., 144941626944 + 83905600 = 380712^2 + 9160^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×145025532544² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145025532497 and 145025532506.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566505859 + ... + 566506114.

Almost surely, 2^145025532544 is an apocalyptic number.

It is an amenable number.

145025532544 is a deficient number, since it is larger than the sum of its proper divisors (143892520826).

145025532544 is an equidigital number, since it uses as much as digits as its factorization.

145025532544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133011987 (or 1133011975 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 145025532544 in words is "one hundred forty-five billion, twenty-five million, five hundred thirty-two thousand, five hundred forty-four".