145263734018 has 18 divisors (see below), whose sum is σ = 235957506057. Its totient is φ = 67041566280.

The previous prime is 145263733987. The next prime is 145263734059. The reversal of 145263734018 is 810437362541.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 124204790329 + 21058943689 = 352427^2 + 145117^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=269503.

It is a super-2 number, since 2×145263734018² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145263734018.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6996713 + ... + 7017443.

Almost surely, 2^145263734018 is an apocalyptic number.

145263734018 is a deficient number, since it is larger than the sum of its proper divisors (90693772039).

145263734018 is an frugal number, since it uses more digits than its factorization.

145263734018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41490 (or 20746 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 145263734018 in words is "one hundred forty-five billion, two hundred sixty-three million, seven hundred thirty-four thousand, eighteen".