149333447 has 2 divisors, whose sum is σ = 149333448. Its totient is φ = 149333446.

The previous prime is 149333347. The next prime is 149333477. The reversal of 149333447 is 744333941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149333447 - 2¹⁰ = 149332423 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149333447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149333477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74666723 + 74666724.

It is an arithmetic number, because the mean of its divisors is an integer number (74666724).

Almost surely, 2^149333447 is an apocalyptic number.

149333447 is a deficient number, since it is larger than the sum of its proper divisors (1).

149333447 is an equidigital number, since it uses as much as digits as its factorization.

149333447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 38.

The square root of 149333447 is about 12220.2065039835. The cubic root of 149333447 is about 530.5410956618.

The spelling of 149333447 in words is "one hundred forty-nine million, three hundred thirty-three thousand, four hundred forty-seven".