146726977 has 2 divisors, whose sum is σ = 146726978. Its totient is φ = 146726976.

The previous prime is 146726969. The next prime is 146726981. The reversal of 146726977 is 779627641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146023056 + 703921 = 12084^2 + 839^2 .

It is a cyclic number.

It is not a de Polignac number, because 146726977 - 2³ = 146726969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146726977.

It is not a weakly prime, because it can be changed into another prime (146726927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73363488 + 73363489.

It is an arithmetic number, because the mean of its divisors is an integer number (73363489).

Almost surely, 2^146726977 is an apocalyptic number.

It is an amenable number.

146726977 is a deficient number, since it is larger than the sum of its proper divisors (1).

146726977 is an equidigital number, since it uses as much as digits as its factorization.

146726977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 889056, while the sum is 49.

The square root of 146726977 is about 12113.0911414056. The cubic root of 146726977 is about 527.4362682151.

The spelling of 146726977 in words is "one hundred forty-six million, seven hundred twenty-six thousand, nine hundred seventy-seven".