145216246653 has 24 divisors (see below), whose sum is σ = 210691673088. Its totient is φ = 96380286912.

The previous prime is 145216246603. The next prime is 145216246673. The reversal of 145216246653 is 356642612541.

145216246653 is a `hidden beast` number, since 1 + 4 + 521 + 62 + 4 + 6 + 65 + 3 = 666.

145216246653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145216246653 - 2⁶ = 145216246589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145216246599 and 145216246608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145216246603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1847001 + ... + 1924017.

It is an arithmetic number, because the mean of its divisors is an integer number (8778819712).

Almost surely, 2^145216246653 is an apocalyptic number.

It is an amenable number.

145216246653 is a deficient number, since it is larger than the sum of its proper divisors (65475426435).

145216246653 is a wasteful number, since it uses less digits than its factorization.

145216246653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77953 (or 77950 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 145216246653 in words is "one hundred forty-five billion, two hundred sixteen million, two hundred forty-six thousand, six hundred fifty-three".