146553679 has 2 divisors, whose sum is σ = 146553680. Its totient is φ = 146553678.

The previous prime is 146553643. The next prime is 146553683. The reversal of 146553679 is 976355641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146553679 - 2⁹ = 146553167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146553179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73276839 + 73276840.

It is an arithmetic number, because the mean of its divisors is an integer number (73276840).

Almost surely, 2^146553679 is an apocalyptic number.

146553679 is a deficient number, since it is larger than the sum of its proper divisors (1).

146553679 is an equidigital number, since it uses as much as digits as its factorization.

146553679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 680400, while the sum is 46.

The square root of 146553679 is about 12105.9356928740. The cubic root of 146553679 is about 527.2285362281.

The spelling of 146553679 in words is "one hundred forty-six million, five hundred fifty-three thousand, six hundred seventy-nine".