1146643474 has 16 divisors (see below), whose sum is σ = 1790807256. Its totient is φ = 550166400.

The previous prime is 1146643471. The next prime is 1146643493. The reversal of 1146643474 is 4743466411.

It can be written as a sum of positive squares in 4 ways, for example, as 597069225 + 549574249 = 24435^2 + 23443^2 .

It is not an unprimeable number, because it can be changed into a prime (1146643471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109617 + ... + 119620.

Almost surely, 2^1146643474 is an apocalyptic number.

1146643474 is a deficient number, since it is larger than the sum of its proper divisors (644163782).

1146643474 is a wasteful number, since it uses less digits than its factorization.

1146643474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229341.

The product of its digits is 193536, while the sum is 40.

The square root of 1146643474 is about 33862.1244755848. The cubic root of 1146643474 is about 1046.6692563303.

The spelling of 1146643474 in words is "one billion, one hundred forty-six million, six hundred forty-three thousand, four hundred seventy-four".