146916449 has 2 divisors, whose sum is σ = 146916450. Its totient is φ = 146916448.

The previous prime is 146916421. The next prime is 146916541. The reversal of 146916449 is 944619641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87086224 + 59830225 = 9332^2 + 7735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146916449 is a prime.

It is not a weakly prime, because it can be changed into another prime (146916149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73458224 + 73458225.

It is an arithmetic number, because the mean of its divisors is an integer number (73458225).

Almost surely, 2^146916449 is an apocalyptic number.

It is an amenable number.

146916449 is a deficient number, since it is larger than the sum of its proper divisors (1).

146916449 is an equidigital number, since it uses as much as digits as its factorization.

146916449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 44.

The square root of 146916449 is about 12120.9095780804. The cubic root of 146916449 is about 527.6632008524.

The spelling of 146916449 in words is "one hundred forty-six million, nine hundred sixteen thousand, four hundred forty-nine".