146470729 has 2 divisors, whose sum is σ = 146470730. Its totient is φ = 146470728.

The previous prime is 146470721. The next prime is 146470741. The reversal of 146470729 is 927074641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107433225 + 39037504 = 10365^2 + 6248^2 .

It is a cyclic number.

It is not a de Polignac number, because 146470729 - 2³ = 146470721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146470691 and 146470700.

It is not a weakly prime, because it can be changed into another prime (146470721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73235364 + 73235365.

It is an arithmetic number, because the mean of its divisors is an integer number (73235365).

Almost surely, 2^146470729 is an apocalyptic number.

It is an amenable number.

146470729 is a deficient number, since it is larger than the sum of its proper divisors (1).

146470729 is an equidigital number, since it uses as much as digits as its factorization.

146470729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 146470729 is about 12102.5092026406. The cubic root of 146470729 is about 527.1290462640.

The spelling of 146470729 in words is "one hundred forty-six million, four hundred seventy thousand, seven hundred twenty-nine".