145331442352 has 20 divisors (see below), whose sum is σ = 281633599296. Its totient is φ = 72651803840.

The previous prime is 145331442343. The next prime is 145331442359. The reversal of 145331442352 is 253244133541.

145331442352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145331442352² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145331442359) 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 in 3 ways as a sum of consecutive naturals, for example, 783424 + ... + 951007.

Almost surely, 2^145331442352 is an apocalyptic number.

It is an amenable number.

145331442352 is a deficient number, since it is larger than the sum of its proper divisors (136302156944).

145331442352 is a wasteful number, since it uses less digits than its factorization.

145331442352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739676 (or 1739670 counting only the distinct ones).

The product of its digits is 172800, while the sum is 37.

Adding to 145331442352 its reverse (253244133541), we get a palindrome (398575575893).

The spelling of 145331442352 in words is "one hundred forty-five billion, three hundred thirty-one million, four hundred forty-two thousand, three hundred fifty-two".