144634021284 has 48 divisors (see below), whose sum is σ = 356610078720. Its totient is φ = 45531451680.

The previous prime is 144634021277. The next prime is 144634021289. The reversal of 144634021284 is 482120436441.

It is a super-2 number, since 2×144634021284² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144634021289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3294882 + ... + 3338489.

It is an arithmetic number, because the mean of its divisors is an integer number (7429376640).

Almost surely, 2^144634021284 is an apocalyptic number.

It is an amenable number.

144634021284 is an abundant number, since it is smaller than the sum of its proper divisors (211976057436).

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

144634021284 is a wasteful number, since it uses less digits than its factorization.

144634021284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6633480 (or 6633478 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 39.

The spelling of 144634021284 in words is "one hundred forty-four billion, six hundred thirty-four million, twenty-one thousand, two hundred eighty-four".