146842477 has 2 divisors, whose sum is σ = 146842478. Its totient is φ = 146842476.

The previous prime is 146842459. The next prime is 146842499. The reversal of 146842477 is 774248641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75794436 + 71048041 = 8706^2 + 8429^2 .

It is a cyclic number.

It is not a de Polignac number, because 146842477 - 2⁷ = 146842349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146842417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73421238 + 73421239.

It is an arithmetic number, because the mean of its divisors is an integer number (73421239).

Almost surely, 2^146842477 is an apocalyptic number.

It is an amenable number.

146842477 is a deficient number, since it is larger than the sum of its proper divisors (1).

146842477 is an equidigital number, since it uses as much as digits as its factorization.

146842477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 301056, while the sum is 43.

The square root of 146842477 is about 12117.8577727253. The cubic root of 146842477 is about 527.5746270285.

It can be divided in two parts, 14684 and 2477, that added together give a square (17161 = 131²).

The spelling of 146842477 in words is "one hundred forty-six million, eight hundred forty-two thousand, four hundred seventy-seven".