146148773 has 2 divisors, whose sum is σ = 146148774. Its totient is φ = 146148772.

The previous prime is 146148767. The next prime is 146148781. The reversal of 146148773 is 377841641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140612164 + 5536609 = 11858^2 + 2353^2 .

It is a cyclic number.

It is not a de Polignac number, because 146148773 - 2²² = 141954469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146148773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146148713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73074386 + 73074387.

It is an arithmetic number, because the mean of its divisors is an integer number (73074387).

Almost surely, 2^146148773 is an apocalyptic number.

It is an amenable number.

146148773 is a deficient number, since it is larger than the sum of its proper divisors (1).

146148773 is an equidigital number, since it uses as much as digits as its factorization.

146148773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 41.

The square root of 146148773 is about 12089.2006766370. The cubic root of 146148773 is about 526.7425370500.

The spelling of 146148773 in words is "one hundred forty-six million, one hundred forty-eight thousand, seven hundred seventy-three".