146044447 has 2 divisors, whose sum is σ = 146044448. Its totient is φ = 146044446.

The previous prime is 146044429. The next prime is 146044453. The reversal of 146044447 is 744440641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146044447 - 2²³ = 137655839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146044427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73022223 + 73022224.

It is an arithmetic number, because the mean of its divisors is an integer number (73022224).

Almost surely, 2^146044447 is an apocalyptic number.

146044447 is a deficient number, since it is larger than the sum of its proper divisors (1).

146044447 is an equidigital number, since it uses as much as digits as its factorization.

146044447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 34.

The square root of 146044447 is about 12084.8850635825. The cubic root of 146044447 is about 526.6171715936.

The spelling of 146044447 in words is "one hundred forty-six million, forty-four thousand, four hundred forty-seven".