145622556646 has 16 divisors (see below), whose sum is σ = 249860991744. Its totient is φ = 62354086344.

The previous prime is 145622556641. The next prime is 145622556679. The reversal of 145622556646 is 646655226541.

It is a junction number, because it is equal to n+sod(n) for n = 145622556593 and 145622556602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145622556641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4615450 + ... + 4646893.

It is an arithmetic number, because the mean of its divisors is an integer number (15616311984).

Almost surely, 2^145622556646 is an apocalyptic number.

145622556646 is a deficient number, since it is larger than the sum of its proper divisors (104238435098).

145622556646 is a wasteful number, since it uses less digits than its factorization.

145622556646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9263475.

The product of its digits is 10368000, while the sum is 52.

The spelling of 145622556646 in words is "one hundred forty-five billion, six hundred twenty-two million, five hundred fifty-six thousand, six hundred forty-six".