147841994 has 16 divisors (see below), whose sum is σ = 225597960. Its totient is φ = 72652800.

The previous prime is 147841987. The next prime is 147841997. The reversal of 147841994 is 499148741.

It can be written as a sum of positive squares in 4 ways, for example, as 136585969 + 11256025 = 11687^2 + 3355^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (147841997) 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, 28394 + ... + 33194.

Almost surely, 2^147841994 is an apocalyptic number.

147841994 is a deficient number, since it is larger than the sum of its proper divisors (77755966).

147841994 is a wasteful number, since it uses less digits than its factorization.

147841994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5065.

The product of its digits is 290304, while the sum is 47.

The square root of 147841994 is about 12159.0293198100. The cubic root of 147841994 is about 528.7689405589.

The spelling of 147841994 in words is "one hundred forty-seven million, eight hundred forty-one thousand, nine hundred ninety-four".