146723477 has 2 divisors, whose sum is σ = 146723478. Its totient is φ = 146723476.

The previous prime is 146723449. The next prime is 146723497. The reversal of 146723477 is 774327641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120978001 + 25745476 = 10999^2 + 5074^2 .

It is a cyclic number.

It is not a de Polignac number, because 146723477 - 2⁸ = 146723221 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146723497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73361738 + 73361739.

It is an arithmetic number, because the mean of its divisors is an integer number (73361739).

Almost surely, 2^146723477 is an apocalyptic number.

It is an amenable number.

146723477 is a deficient number, since it is larger than the sum of its proper divisors (1).

146723477 is an equidigital number, since it uses as much as digits as its factorization.

146723477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 41.

The square root of 146723477 is about 12112.9466687508. The cubic root of 146723477 is about 527.4320743905.

The spelling of 146723477 in words is "one hundred forty-six million, seven hundred twenty-three thousand, four hundred seventy-seven".