147903146 has 8 divisors (see below), whose sum is σ = 222776004. Its totient is φ = 73644480.

The previous prime is 147903131. The next prime is 147903157. The reversal of 147903146 is 641309741.

It can be written as a sum of positive squares in 2 ways, for example, as 147889921 + 13225 = 12161^2 + 115^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152945 + ... + 153908.

Almost surely, 2^147903146 is an apocalyptic number.

147903146 is a deficient number, since it is larger than the sum of its proper divisors (74872858).

147903146 is a wasteful number, since it uses less digits than its factorization.

147903146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307096.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 147903146 is about 12161.5437342469. The cubic root of 147903146 is about 528.8418355466.

The spelling of 147903146 in words is "one hundred forty-seven million, nine hundred three thousand, one hundred forty-six".