145200521545234 has 8 divisors (see below), whose sum is σ = 217822932330300. Its totient is φ = 72592877435136.

The previous prime is 145200521545207. The next prime is 145200521545259. The reversal of 145200521545234 is 432545125002541.

It can be written as a sum of positive squares in 2 ways, for example, as 128240563192225 + 16959958353009 = 11324335^2 + 4118247^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×145200521545234² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3691644159 + ... + 3691683490.

Almost surely, 2^{145200521545234} is an apocalyptic number.

145200521545234 is a deficient number, since it is larger than the sum of its proper divisors (72622410785066).

145200521545234 is an equidigital number, since it uses as much as digits as its factorization.

145200521545234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7383337484.

The product of its (nonzero) digits is 960000, while the sum is 43.

Adding to 145200521545234 its reverse (432545125002541), we get a palindrome (577745646547775).

The spelling of 145200521545234 in words is "one hundred forty-five trillion, two hundred billion, five hundred twenty-one million, five hundred forty-five thousand, two hundred thirty-four".