145324140412 has 24 divisors (see below), whose sum is σ = 278588206512. Its totient is φ = 65782329600.

The previous prime is 145324140397. The next prime is 145324140461. The reversal of 145324140412 is 214041423541.

It is a happy number.

It is a super-2 number, since 2×145324140412² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6841723 + ... + 6862930.

It is an arithmetic number, because the mean of its divisors is an integer number (11607841938).

Almost surely, 2^145324140412 is an apocalyptic number.

It is an amenable number.

145324140412 is a deficient number, since it is larger than the sum of its proper divisors (133264066100).

145324140412 is a wasteful number, since it uses less digits than its factorization.

145324140412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13704909 (or 13704907 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 145324140412 its reverse (214041423541), we get a palindrome (359365563953).

The spelling of 145324140412 in words is "one hundred forty-five billion, three hundred twenty-four million, one hundred forty thousand, four hundred twelve".