144466521147428 has 24 divisors (see below), whose sum is σ = 257594303469888. Its totient is φ = 70868230954976.

The previous prime is 144466521147329. The next prime is 144466521147463. The reversal of 144466521147428 is 824741125664441.

It is a happy number.

It is a super-2 number, since 2×144466521147428² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3222776 + ... + 17300847.

It is an arithmetic number, because the mean of its divisors is an integer number (10733095977912).

Almost surely, 2^{144466521147428} is an apocalyptic number.

It is an amenable number.

144466521147428 is a deficient number, since it is larger than the sum of its proper divisors (113127782322460).

144466521147428 is a wasteful number, since it uses less digits than its factorization.

144466521147428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20556883 (or 20556881 counting only the distinct ones).

The product of its digits is 41287680, while the sum is 59.

The spelling of 144466521147428 in words is "one hundred forty-four trillion, four hundred sixty-six billion, five hundred twenty-one million, one hundred forty-seven thousand, four hundred twenty-eight".