146746081 has 2 divisors, whose sum is σ = 146746082. Its totient is φ = 146746080.

The previous prime is 146746037. The next prime is 146746097. The reversal of 146746081 is 180647641.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130416400 + 16329681 = 11420^2 + 4041^2 .

It is a cyclic number.

It is not a de Polignac number, because 146746081 - 2¹³ = 146737889 is a prime.

It is a super-2 number, since 2×146746081² = 43068824577717122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 146746081.

It is not a weakly prime, because it can be changed into another prime (146746001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73373040 + 73373041.

It is an arithmetic number, because the mean of its divisors is an integer number (73373041).

Almost surely, 2^146746081 is an apocalyptic number.

It is an amenable number.

146746081 is a deficient number, since it is larger than the sum of its proper divisors (1).

146746081 is an equidigital number, since it uses as much as digits as its factorization.

146746081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 146746081 is about 12113.8796840649. The cubic root of 146746081 is about 527.4591581326.

The spelling of 146746081 in words is "one hundred forty-six million, seven hundred forty-six thousand, eighty-one".