146894933 has 2 divisors, whose sum is σ = 146894934. Its totient is φ = 146894932.

The previous prime is 146894927. The next prime is 146894971. The reversal of 146894933 is 339498641.

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., 129572689 + 17322244 = 11383^2 + 4162^2 .

It is a cyclic number.

It is not a de Polignac number, because 146894933 - 2¹⁸ = 146632789 is a prime.

It is a super-4 number, since 4×146894933⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146894983) 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, 73447466 + 73447467.

It is an arithmetic number, because the mean of its divisors is an integer number (73447467).

Almost surely, 2^146894933 is an apocalyptic number.

It is an amenable number.

146894933 is a deficient number, since it is larger than the sum of its proper divisors (1).

146894933 is an equidigital number, since it uses as much as digits as its factorization.

146894933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 47.

The square root of 146894933 is about 12120.0219884289. The cubic root of 146894933 is about 527.6374407332.

The spelling of 146894933 in words is "one hundred forty-six million, eight hundred ninety-four thousand, nine hundred thirty-three".