1146944738 has 4 divisors (see below), whose sum is σ = 1720417110. Its totient is φ = 573472368.

The previous prime is 1146944737. The next prime is 1146944741. The reversal of 1146944738 is 8374496411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 922154689 + 224790049 = 30367^2 + 14993^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1146944692 and 1146944701.

It is not an unprimeable number, because it can be changed into a prime (1146944731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286736183 + ... + 286736186.

Almost surely, 2^1146944738 is an apocalyptic number.

1146944738 is a deficient number, since it is larger than the sum of its proper divisors (573472372).

1146944738 is an equidigital number, since it uses as much as digits as its factorization.

1146944738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573472371.

The product of its digits is 580608, while the sum is 47.

The square root of 1146944738 is about 33866.5725753286. The cubic root of 1146944738 is about 1046.7609140433.

The spelling of 1146944738 in words is "one billion, one hundred forty-six million, nine hundred forty-four thousand, seven hundred thirty-eight".