1214946144 has 36 divisors (see below), whose sum is σ = 3455003916. Its totient is φ = 404981952.

The previous prime is 1214946137. The next prime is 1214946163. The reversal of 1214946144 is 4416494121.

It is a happy number.

1214946144 is a `hidden beast` number, since 1 + 21 + 494 + 6 + 144 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1214946099 and 1214946108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2108994 + ... + 2109569.

It is an arithmetic number, because the mean of its divisors is an integer number (95972331).

Almost surely, 2^1214946144 is an apocalyptic number.

It is an amenable number.

1214946144 is an abundant number, since it is smaller than the sum of its proper divisors (2240057772).

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

1214946144 is a wasteful number, since it uses less digits than its factorization.

1214946144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218579 (or 4218568 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 1214946144 is about 34856.0775762276. The cubic root of 1214946144 is about 1067.0522248551.

The spelling of 1214946144 in words is "one billion, two hundred fourteen million, nine hundred forty-six thousand, one hundred forty-four".