145231512514 has 24 divisors (see below), whose sum is σ = 239587416684. Its totient is φ = 65976979200.

The previous prime is 145231512493. The next prime is 145231512551. The reversal of 145231512514 is 415215132541.

It can be written as a sum of positive squares in 2 ways, for example, as 141551270289 + 3680242225 = 376233^2 + 60665^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 145231512514.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 261174 + ... + 598894.

Almost surely, 2^145231512514 is an apocalyptic number.

145231512514 is a deficient number, since it is larger than the sum of its proper divisors (94355904170).

145231512514 is a wasteful number, since it uses less digits than its factorization.

145231512514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339522 (or 339511 counting only the distinct ones).

The product of its digits is 24000, while the sum is 34.

The spelling of 145231512514 in words is "one hundred forty-five billion, two hundred thirty-one million, five hundred twelve thousand, five hundred fourteen".