145321673032 has 8 divisors (see below), whose sum is σ = 272478136950. Its totient is φ = 72660836512.

The previous prime is 145321673023. The next prime is 145321673041. The reversal of 145321673032 is 230376123541.

145321673032 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145321673023) and next prime (145321673041).

It can be written as a sum of positive squares in only one way, i.e., 116735655556 + 28586017476 = 341666^2 + 169074^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×145321673032² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145321672982 and 145321673000.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9082604557 + ... + 9082604572.

Almost surely, 2^145321673032 is an apocalyptic number.

It is an amenable number.

145321673032 is a deficient number, since it is larger than the sum of its proper divisors (127156463918).

145321673032 is a wasteful number, since it uses less digits than its factorization.

145321673032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18165209135 (or 18165209131 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

Adding to 145321673032 its reverse (230376123541), we get a palindrome (375697796573).

The spelling of 145321673032 in words is "one hundred forty-five billion, three hundred twenty-one million, six hundred seventy-three thousand, thirty-two".