145345146532 has 24 divisors (see below), whose sum is σ = 255160465560. Its totient is φ = 72442245120.

The previous prime is 145345146509. The next prime is 145345146547. The reversal of 145345146532 is 235641543541.

It can be written as a sum of positive squares in 4 ways, for example, as 3371428096 + 141973718436 = 58064^2 + 376794^2 .

It is a super-2 number, since 2×145345146532² (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 7 ways as a sum of consecutive naturals, for example, 10141932 + ... + 10156252.

It is an arithmetic number, because the mean of its divisors is an integer number (10631686065).

Almost surely, 2^145345146532 is an apocalyptic number.

It is an amenable number.

145345146532 is a deficient number, since it is larger than the sum of its proper divisors (109815319028).

145345146532 is a wasteful number, since it uses less digits than its factorization.

145345146532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22191 (or 22189 counting only the distinct ones).

The product of its digits is 864000, while the sum is 43.

The spelling of 145345146532 in words is "one hundred forty-five billion, three hundred forty-five million, one hundred forty-six thousand, five hundred thirty-two".