145402433255252 has 24 divisors (see below), whose sum is σ = 257715211723200. Its totient is φ = 71770843780736.

The previous prime is 145402433255179. The next prime is 145402433255257. The reversal of 145402433255252 is 252552334204541.

It is a super-2 number, since 2×145402433255252² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145402433255197 and 145402433255206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145402433255257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165581477 + ... + 166457292.

It is an arithmetic number, because the mean of its divisors is an integer number (10738133821800).

Almost surely, 2^{145402433255252} is an apocalyptic number.

It is an amenable number.

145402433255252 is a deficient number, since it is larger than the sum of its proper divisors (112312778467948).

145402433255252 is a wasteful number, since it uses less digits than its factorization.

145402433255252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332040175 (or 332040173 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 47.

Adding to 145402433255252 its reverse (252552334204541), we get a palindrome (397954767459793).

The spelling of 145402433255252 in words is "one hundred forty-five trillion, four hundred two billion, four hundred thirty-three million, two hundred fifty-five thousand, two hundred fifty-two".