147857803 has 2 divisors, whose sum is σ = 147857804. Its totient is φ = 147857802.

The previous prime is 147857771. The next prime is 147857819. The reversal of 147857803 is 308758741.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 147857803 - 2⁵ = 147857771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 147857803.

It is not a weakly prime, because it can be changed into another prime (147857503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73928901 + 73928902.

It is an arithmetic number, because the mean of its divisors is an integer number (73928902).

Almost surely, 2^147857803 is an apocalyptic number.

147857803 is a deficient number, since it is larger than the sum of its proper divisors (1).

147857803 is an equidigital number, since it uses as much as digits as its factorization.

147857803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 147857803 is about 12159.6793954446. The cubic root of 147857803 is about 528.7877872795.

The spelling of 147857803 in words is "one hundred forty-seven million, eight hundred fifty-seven thousand, eight hundred three".