144746513 has 2 divisors, whose sum is σ = 144746514. Its totient is φ = 144746512.

The previous prime is 144746501. The next prime is 144746519. The reversal of 144746513 is 315647441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133240849 + 11505664 = 11543^2 + 3392^2 .

It is a cyclic number.

It is not a de Polignac number, because 144746513 - 2²⁶ = 77637649 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (144746519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72373256 + 72373257.

It is an arithmetic number, because the mean of its divisors is an integer number (72373257).

Almost surely, 2^144746513 is an apocalyptic number.

It is an amenable number.

144746513 is a deficient number, since it is larger than the sum of its proper divisors (1).

144746513 is an equidigital number, since it uses as much as digits as its factorization.

144746513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 35.

The square root of 144746513 is about 12031.0644998687. The cubic root of 144746513 is about 525.0524670164.

The spelling of 144746513 in words is "one hundred forty-four million, seven hundred forty-six thousand, five hundred thirteen".