146142461 has 2 divisors, whose sum is σ = 146142462. Its totient is φ = 146142460.

The previous prime is 146142443. The next prime is 146142467. The reversal of 146142461 is 164241641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77352025 + 68790436 = 8795^2 + 8294^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146142461 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146142467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73071230 + 73071231.

It is an arithmetic number, because the mean of its divisors is an integer number (73071231).

Almost surely, 2^146142461 is an apocalyptic number.

It is an amenable number.

146142461 is a deficient number, since it is larger than the sum of its proper divisors (1).

146142461 is an equidigital number, since it uses as much as digits as its factorization.

146142461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 29.

The square root of 146142461 is about 12088.9396143748. The cubic root of 146142461 is about 526.7349538029.

The spelling of 146142461 in words is "one hundred forty-six million, one hundred forty-two thousand, four hundred sixty-one".