145321663052 has 12 divisors (see below), whose sum is σ = 254332183560. Its totient is φ = 72655324896.

The previous prime is 145321663043. The next prime is 145321663079. The reversal of 145321663052 is 250366123541.

It is a super-2 number, since 2×145321663052² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145321662997 and 145321663015.

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, 1316993 + ... + 1423064.

It is an arithmetic number, because the mean of its divisors is an integer number (21194348630).

Almost surely, 2^145321663052 is an apocalyptic number.

It is an amenable number.

145321663052 is a deficient number, since it is larger than the sum of its proper divisors (109010520508).

145321663052 is a wasteful number, since it uses less digits than its factorization.

145321663052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753320 (or 2753318 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 145321663052 its reverse (250366123541), we get a palindrome (395687786593).

The spelling of 145321663052 in words is "one hundred forty-five billion, three hundred twenty-one million, six hundred sixty-three thousand, fifty-two".