145355064224 has 12 divisors (see below), whose sum is σ = 286167782754. Its totient is φ = 72677532096.

The previous prime is 145355064187. The next prime is 145355064251. The reversal of 145355064224 is 422460553541.

It can be written as a sum of positive squares in only one way, i.e., 93795187600 + 51559876624 = 306260^2 + 227068^2 .

It is a super-2 number, since 2×145355064224² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2271172847 + ... + 2271172910.

Almost surely, 2^145355064224 is an apocalyptic number.

It is an amenable number.

145355064224 is a deficient number, since it is larger than the sum of its proper divisors (140812718530).

145355064224 is an equidigital number, since it uses as much as digits as its factorization.

145355064224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4542345767 (or 4542345759 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 145355064224 in words is "one hundred forty-five billion, three hundred fifty-five million, sixty-four thousand, two hundred twenty-four".