145000056 has 16 divisors (see below), whose sum is σ = 362500200. Its totient is φ = 48333344.

The previous prime is 145000049. The next prime is 145000057. The reversal of 145000056 is 650000541.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 144999996 and 145000041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145000057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3020811 + ... + 3020858.

Almost surely, 2^145000056 is an apocalyptic number.

It is an amenable number.

145000056 is an abundant number, since it is smaller than the sum of its proper divisors (217500144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145000056 is a wasteful number, since it uses less digits than its factorization.

145000056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6041678 (or 6041674 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 145000056 is about 12041.5969040655. The cubic root of 145000056 is about 525.3588548817.

Adding to 145000056 its reverse (650000541), we get a palindrome (795000597).

The spelling of 145000056 in words is "one hundred forty-five million, fifty-six", and thus it is an aban number.