145734128503444 has 12 divisors (see below), whose sum is σ = 274652780641204. Its totient is φ = 67261905463104.

The previous prime is 145734128503441. The next prime is 145734128503499. The reversal of 145734128503444 is 444305821437541.

It can be written as a sum of positive squares in 2 ways, for example, as 48258196963344 + 97475931540100 = 6946812^2 + 9872990^2 .

It is a super-3 number, since 3×145734128503444³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145734128503441) 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, 1401289697097 + ... + 1401289697200.

Almost surely, 2^{145734128503444} is an apocalyptic number.

It is an amenable number.

145734128503444 is a deficient number, since it is larger than the sum of its proper divisors (128918652137760).

145734128503444 is a wasteful number, since it uses less digits than its factorization.

145734128503444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802579394314 (or 2802579394312 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 55.

The spelling of 145734128503444 in words is "one hundred forty-five trillion, seven hundred thirty-four billion, one hundred twenty-eight million, five hundred three thousand, four hundred forty-four".