146361473 has 2 divisors, whose sum is σ = 146361474. Its totient is φ = 146361472.

The previous prime is 146361451. The next prime is 146361511. The reversal of 146361473 is 374163641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137077264 + 9284209 = 11708^2 + 3047^2 .

It is a cyclic number.

It is not a de Polignac number, because 146361473 - 2⁸ = 146361217 is a prime.

It is not a weakly prime, because it can be changed into another prime (146361403) 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, 73180736 + 73180737.

It is an arithmetic number, because the mean of its divisors is an integer number (73180737).

Almost surely, 2^146361473 is an apocalyptic number.

It is an amenable number.

146361473 is a deficient number, since it is larger than the sum of its proper divisors (1).

146361473 is an equidigital number, since it uses as much as digits as its factorization.

146361473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 35.

The square root of 146361473 is about 12097.9945858808. The cubic root of 146361473 is about 526.9979476316.

The spelling of 146361473 in words is "one hundred forty-six million, three hundred sixty-one thousand, four hundred seventy-three".