1384145512 has 8 divisors (see below), whose sum is σ = 2595272850. Its totient is φ = 692072752.

The previous prime is 1384145507. The next prime is 1384145561. The reversal of 1384145512 is 2155414831.

It can be written as a sum of positive squares in only one way, i.e., 832553316 + 551592196 = 28854^2 + 23486^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86509087 + ... + 86509102.

Almost surely, 2^1384145512 is an apocalyptic number.

It is an amenable number.

1384145512 is a deficient number, since it is larger than the sum of its proper divisors (1211127338).

1384145512 is a wasteful number, since it uses less digits than its factorization.

1384145512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173018195 (or 173018191 counting only the distinct ones).

The product of its digits is 19200, while the sum is 34.

The square root of 1384145512 is about 37204.1061174704. The cubic root of 1384145512 is about 1114.4499856559.

The spelling of 1384145512 in words is "one billion, three hundred eighty-four million, one hundred forty-five thousand, five hundred twelve".