147381901 has 2 divisors, whose sum is σ = 147381902. Its totient is φ = 147381900.

The previous prime is 147381893. The next prime is 147381919. The reversal of 147381901 is 109183741.

147381901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139122025 + 8259876 = 11795^2 + 2874^2 .

It is a cyclic number.

It is not a de Polignac number, because 147381901 - 2³ = 147381893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147381991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73690950 + 73690951.

It is an arithmetic number, because the mean of its divisors is an integer number (73690951).

Almost surely, 2^147381901 is an apocalyptic number.

It is an amenable number.

147381901 is a deficient number, since it is larger than the sum of its proper divisors (1).

147381901 is an equidigital number, since it uses as much as digits as its factorization.

147381901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 147381901 is about 12140.0947689876. The cubic root of 147381901 is about 528.2198505269.

The spelling of 147381901 in words is "one hundred forty-seven million, three hundred eighty-one thousand, nine hundred one".