147438794 has 8 divisors (see below), whose sum is σ = 221210148. Its totient is φ = 73702080.

The previous prime is 147438791. The next prime is 147438839. The reversal of 147438794 is 497834741.

It is a happy number.

147438794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 146724769 + 714025 = 12113^2 + 845^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (147438791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10184 + ... + 19964.

Almost surely, 2^147438794 is an apocalyptic number.

147438794 is a deficient number, since it is larger than the sum of its proper divisors (73771354).

147438794 is an equidigital number, since it uses as much as digits as its factorization.

147438794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17320.

The product of its digits is 677376, while the sum is 47.

The square root of 147438794 is about 12142.4377288912. The cubic root of 147438794 is about 528.2878103548.

The spelling of 147438794 in words is "one hundred forty-seven million, four hundred thirty-eight thousand, seven hundred ninety-four".