144556163622 has 64 divisors (see below), whose sum is σ = 364154112000. Its totient is φ = 42137825184.

The previous prime is 144556163611. The next prime is 144556163669. The reversal of 144556163622 is 226361655441.

144556163622 is a `hidden beast` number, since 1 + 4 + 4 + 5 + 5 + 6 + 1 + 636 + 2 + 2 = 666.

It is a super-2 number, since 2×144556163622² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5405622 + ... + 5432297.

It is an arithmetic number, because the mean of its divisors is an integer number (5689908000).

Almost surely, 2^144556163622 is an apocalyptic number.

144556163622 is an abundant number, since it is smaller than the sum of its proper divisors (219597948378).

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

144556163622 is a wasteful number, since it uses less digits than its factorization.

144556163622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10837962 (or 10837956 counting only the distinct ones).

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

The spelling of 144556163622 in words is "one hundred forty-four billion, five hundred fifty-six million, one hundred sixty-three thousand, six hundred twenty-two".