142613461 has 2 divisors, whose sum is σ = 142613462. Its totient is φ = 142613460.

The previous prime is 142613441. The next prime is 142613467. The reversal of 142613461 is 164316241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112572100 + 30041361 = 10610^2 + 5481^2 .

It is an emirp because it is prime and its reverse (164316241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142613461 - 2¹³ = 142605269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142613467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71306730 + 71306731.

It is an arithmetic number, because the mean of its divisors is an integer number (71306731).

Almost surely, 2^142613461 is an apocalyptic number.

It is an amenable number.

142613461 is a deficient number, since it is larger than the sum of its proper divisors (1).

142613461 is an equidigital number, since it uses as much as digits as its factorization.

142613461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 142613461 is about 11942.0877990408. The cubic root of 142613461 is about 522.4605539385.

The spelling of 142613461 in words is "one hundred forty-two million, six hundred thirteen thousand, four hundred sixty-one".