145121233230532 has 12 divisors (see below), whose sum is σ = 273497708780716. Its totient is φ = 66979030721760.

The previous prime is 145121233230511. The next prime is 145121233230559. The reversal of 145121233230532 is 235032332121541.

It can be written as a sum of positive squares in 2 ways, for example, as 40380254866116 + 104740978364416 = 6354546^2 + 10234304^2 .

It is a junction number, because it is equal to n+sod(n) for n = 145121233230491 and 145121233230500.

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, 1395396473319 + ... + 1395396473422.

Almost surely, 2^{145121233230532} is an apocalyptic number.

It is an amenable number.

145121233230532 is a deficient number, since it is larger than the sum of its proper divisors (128376475550184).

145121233230532 is a wasteful number, since it uses less digits than its factorization.

145121233230532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790792946758 (or 2790792946756 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 145121233230532 in words is "one hundred forty-five trillion, one hundred twenty-one billion, two hundred thirty-three million, two hundred thirty thousand, five hundred thirty-two".