1493284144 has 20 divisors (see below), whose sum is σ = 3156260040. Its totient is φ = 678765440.

The previous prime is 1493284139. The next prime is 1493284171. The reversal of 1493284144 is 4414823941.

It is a junction number, because it is equal to n+sod(n) for n = 1493284097 and 1493284106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4242109 + ... + 4242460.

It is an arithmetic number, because the mean of its divisors is an integer number (157813002).

Almost surely, 2^1493284144 is an apocalyptic number.

It is an amenable number.

1493284144 is an abundant number, since it is smaller than the sum of its proper divisors (1662975896).

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

1493284144 is a wasteful number, since it uses less digits than its factorization.

1493284144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8484588 (or 8484582 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 1493284144 is about 38643.0348704653. The cubic root of 1493284144 is about 1143.0033007954.

It can be divided in two parts, 1493284 and 144, that multiplied together give a square (215032896 = 14664²).

The spelling of 1493284144 in words is "one billion, four hundred ninety-three million, two hundred eighty-four thousand, one hundred forty-four".