145325321012 has 6 divisors (see below), whose sum is σ = 254319311778. Its totient is φ = 72662660504.

The previous prime is 145325320993. The next prime is 145325321039. The reversal of 145325321012 is 210123523541.

It can be written as a sum of positive squares in only one way, i.e., 143189587216 + 2135733796 = 378404^2 + 46214^2 .

It is a super-2 number, since 2×145325321012² (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 as a sum of consecutive naturals, namely, 18165665123 + ... + 18165665130.

It is an arithmetic number, because the mean of its divisors is an integer number (42386551963).

Almost surely, 2^145325321012 is an apocalyptic number.

It is an amenable number.

145325321012 is a deficient number, since it is larger than the sum of its proper divisors (108993990766).

145325321012 is a wasteful number, since it uses less digits than its factorization.

145325321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36331330257 (or 36331330255 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 145325321012 its reverse (210123523541), we get a palindrome (355448844553).

The spelling of 145325321012 in words is "one hundred forty-five billion, three hundred twenty-five million, three hundred twenty-one thousand, twelve".