146745047 has 2 divisors, whose sum is σ = 146745048. Its totient is φ = 146745046.

The previous prime is 146745007. The next prime is 146745061. The reversal of 146745047 is 740547641.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146745047 - 2¹⁰ = 146744023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146745047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146745007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73372523 + 73372524.

It is an arithmetic number, because the mean of its divisors is an integer number (73372524).

Almost surely, 2^146745047 is an apocalyptic number.

146745047 is a deficient number, since it is larger than the sum of its proper divisors (1).

146745047 is an equidigital number, since it uses as much as digits as its factorization.

146745047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 146745047 is about 12113.8370056725. The cubic root of 146745047 is about 527.4579192714.

The spelling of 146745047 in words is "one hundred forty-six million, seven hundred forty-five thousand, forty-seven".