145353890056 has 16 divisors (see below), whose sum is σ = 272669163840. Its totient is φ = 72642113040.

The previous prime is 145353890051. The next prime is 145353890057. The reversal of 145353890056 is 650098353541.

It is a happy number.

It is a super-2 number, since 2×145353890056² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145353889991 and 145353890009.

It is not an unprimeable number, because it can be changed into a prime (145353890051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4336260 + ... + 4369651.

It is an arithmetic number, because the mean of its divisors is an integer number (17041822740).

Almost surely, 2^145353890056 is an apocalyptic number.

It is an amenable number.

145353890056 is a deficient number, since it is larger than the sum of its proper divisors (127315273784).

145353890056 is a wasteful number, since it uses less digits than its factorization.

145353890056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8708004 (or 8708000 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 49.

The spelling of 145353890056 in words is "one hundred forty-five billion, three hundred fifty-three million, eight hundred ninety thousand, fifty-six".