145445402512 has 10 divisors (see below), whose sum is σ = 281800467398. Its totient is φ = 72722701248.

The previous prime is 145445402507. The next prime is 145445402513. The reversal of 145445402512 is 215204544541.

145445402512 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 83442410496 + 62002992016 = 288864^2 + 249004^2 .

It is a super-2 number, since 2×145445402512² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145445402513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4545168813 + ... + 4545168844.

Almost surely, 2^145445402512 is an apocalyptic number.

It is an amenable number.

145445402512 is a deficient number, since it is larger than the sum of its proper divisors (136355064886).

145445402512 is an equidigital number, since it uses as much as digits as its factorization.

145445402512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9090337665 (or 9090337659 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 37.

The spelling of 145445402512 in words is "one hundred forty-five billion, four hundred forty-five million, four hundred two thousand, five hundred twelve".