145147223333244 has 24 divisors (see below), whose sum is σ = 369465659394048. Its totient is φ = 43984007070640.

The previous prime is 145147223333239. The next prime is 145147223333261. The reversal of 145147223333244 is 442333322741541.

It is a happy number.

It is a super-2 number, since 2×145147223333244² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145147223333193 and 145147223333202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549800088252 + ... + 549800088515.

It is an arithmetic number, because the mean of its divisors is an integer number (15394402474752).

Almost surely, 2^{145147223333244} is an apocalyptic number.

It is an amenable number.

145147223333244 is an abundant number, since it is smaller than the sum of its proper divisors (224318436060804).

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

145147223333244 is a wasteful number, since it uses less digits than its factorization.

145147223333244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099600176785 (or 1099600176783 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 48.

The spelling of 145147223333244 in words is "one hundred forty-five trillion, one hundred forty-seven billion, two hundred twenty-three million, three hundred thirty-three thousand, two hundred forty-four".