145331442412 has 12 divisors (see below), whose sum is σ = 273893872336. Its totient is φ = 67076050320.

The previous prime is 145331442397. The next prime is 145331442439. The reversal of 145331442412 is 214244133541.

It is a super-2 number, since 2×145331442412² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1397417664 + ... + 1397417767.

Almost surely, 2^145331442412 is an apocalyptic number.

It is an amenable number.

145331442412 is a deficient number, since it is larger than the sum of its proper divisors (128562429924).

145331442412 is a wasteful number, since it uses less digits than its factorization.

145331442412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2794835448 (or 2794835446 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

Adding to 145331442412 its reverse (214244133541), we get a palindrome (359575575953).

The spelling of 145331442412 in words is "one hundred forty-five billion, three hundred thirty-one million, four hundred forty-two thousand, four hundred twelve".