146398877 has 2 divisors, whose sum is σ = 146398878. Its totient is φ = 146398876.

The previous prime is 146398829. The next prime is 146398891. The reversal of 146398877 is 778893641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111281401 + 35117476 = 10549^2 + 5926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146398877 is a prime.

It is a super-2 number, since 2×146398877² = 42865262373722258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146398277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73199438 + 73199439.

It is an arithmetic number, because the mean of its divisors is an integer number (73199439).

Almost surely, 2^146398877 is an apocalyptic number.

It is an amenable number.

146398877 is a deficient number, since it is larger than the sum of its proper divisors (1).

146398877 is an equidigital number, since it uses as much as digits as its factorization.

146398877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 53.

The square root of 146398877 is about 12099.5403631708. The cubic root of 146398877 is about 527.0428368407.

The spelling of 146398877 in words is "one hundred forty-six million, three hundred ninety-eight thousand, eight hundred seventy-seven".