147381919 has 2 divisors, whose sum is σ = 147381920. Its totient is φ = 147381918.

The previous prime is 147381901. The next prime is 147381937. The reversal of 147381919 is 919183741.

It is a balanced prime because it is at equal distance from previous prime (147381901) and next prime (147381937).

It is a cyclic number.

It is not a de Polignac number, because 147381919 - 2⁵ = 147381887 is a prime.

It is a super-2 number, since 2×147381919² = 43442860096245122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147381319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73690959 + 73690960.

It is an arithmetic number, because the mean of its divisors is an integer number (73690960).

Almost surely, 2^147381919 is an apocalyptic number.

147381919 is a deficient number, since it is larger than the sum of its proper divisors (1).

147381919 is an equidigital number, since it uses as much as digits as its factorization.

147381919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 43.

The square root of 147381919 is about 12140.0955103327. The cubic root of 147381919 is about 528.2198720311.

The spelling of 147381919 in words is "one hundred forty-seven million, three hundred eighty-one thousand, nine hundred nineteen".