43146001 has 2 divisors, whose sum is σ = 43146002. Its totient is φ = 43146000.

The previous prime is 43145987. The next prime is 43146023. The reversal of 43146001 is 10064134.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42915601 + 230400 = 6551^2 + 480^2 .

It is a cyclic number.

It is not a de Polignac number, because 43146001 - 2⁵ = 43145969 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 43146001.

It is not a weakly prime, because it can be changed into another prime (43146031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21573000 + 21573001.

It is an arithmetic number, because the mean of its divisors is an integer number (21573001).

Almost surely, 2^43146001 is an apocalyptic number.

It is an amenable number.

43146001 is a deficient number, since it is larger than the sum of its proper divisors (1).

43146001 is an equidigital number, since it uses as much as digits as its factorization.

43146001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 43146001 is about 6568.5615624732. The cubic root of 43146001 is about 350.7358694489.

The spelling of 43146001 in words is "forty-three million, one hundred forty-six thousand, one".