145342216015252 has 12 divisors (see below), whose sum is σ = 256682353972660. Its totient is φ = 72004400594496.

The previous prime is 145342216015237. The next prime is 145342216015313. The reversal of 145342216015252 is 252510612243541.

It can be written as a sum of positive squares in 2 ways, for example, as 129247885388176 + 16094330627076 = 11368724^2 + 4011774^2 .

It is a super-2 number, since 2×145342216015252² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145342216015199 and 145342216015208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166676852793 + ... + 166676853664.

Almost surely, 2^{145342216015252} is an apocalyptic number.

It is an amenable number.

145342216015252 is a deficient number, since it is larger than the sum of its proper divisors (111340137957408).

145342216015252 is a wasteful number, since it uses less digits than its factorization.

145342216015252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333353706570 (or 333353706568 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 43.

Adding to 145342216015252 its reverse (252510612243541), we get a palindrome (397852828258793).

The spelling of 145342216015252 in words is "one hundred forty-five trillion, three hundred forty-two billion, two hundred sixteen million, fifteen thousand, two hundred fifty-two".