146114561 has 6 divisors (see below), whose sum is σ = 152744130. Its totient is φ = 139761248.

The previous prime is 146114543. The next prime is 146114671. The reversal of 146114561 is 165411641.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 96904336 + 49210225 = 9844^2 + 7015^2 .

It is not a de Polignac number, because 146114561 - 2⁶ = 146114497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (146114531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137576 + ... + 138633.

It is an arithmetic number, because the mean of its divisors is an integer number (25457355).

Almost surely, 2^146114561 is an apocalyptic number.

It is an amenable number.

146114561 is a deficient number, since it is larger than the sum of its proper divisors (6629569).

146114561 is an equidigital number, since it uses as much as digits as its factorization.

146114561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276255 (or 276232 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 146114561 is about 12087.7856119307. The cubic root of 146114561 is about 526.7014320817.

The spelling of 146114561 in words is "one hundred forty-six million, one hundred fourteen thousand, five hundred sixty-one".