147928994 has 4 divisors (see below), whose sum is σ = 221893494. Its totient is φ = 73964496.

The previous prime is 147928969. The next prime is 147929009. The reversal of 147928994 is 499829741.

147928994 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 139594225 + 8334769 = 11815^2 + 2887^2 .

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 as a sum of consecutive naturals, namely, 36982247 + ... + 36982250.

Almost surely, 2^147928994 is an apocalyptic number.

147928994 is a deficient number, since it is larger than the sum of its proper divisors (73964500).

147928994 is an equidigital number, since it uses as much as digits as its factorization.

147928994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73964499.

The product of its digits is 1306368, while the sum is 53.

The square root of 147928994 is about 12162.6063818575. The cubic root of 147928994 is about 528.8726410836.

The spelling of 147928994 in words is "one hundred forty-seven million, nine hundred twenty-eight thousand, nine hundred ninety-four".