146772733 has 2 divisors, whose sum is σ = 146772734. Its totient is φ = 146772732.

The previous prime is 146772727. The next prime is 146772749. The reversal of 146772733 is 337277641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77915929 + 68856804 = 8827^2 + 8298^2 .

It is a cyclic number.

It is not a de Polignac number, because 146772733 - 2²¹ = 144675581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146776733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73386366 + 73386367.

It is an arithmetic number, because the mean of its divisors is an integer number (73386367).

Almost surely, 2^146772733 is an apocalyptic number.

It is an amenable number.

146772733 is a deficient number, since it is larger than the sum of its proper divisors (1).

146772733 is an equidigital number, since it uses as much as digits as its factorization.

146772733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 148176, while the sum is 40.

The square root of 146772733 is about 12114.9796945765. The cubic root of 146772733 is about 527.4910885492.

The spelling of 146772733 in words is "one hundred forty-six million, seven hundred seventy-two thousand, seven hundred thirty-three".