248144957 has 2 divisors, whose sum is σ = 248144958. Its totient is φ = 248144956.

The previous prime is 248144951. The next prime is 248144969. The reversal of 248144957 is 759441842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246678436 + 1466521 = 15706^2 + 1211^2 .

It is a cyclic number.

It is not a de Polignac number, because 248144957 - 2⁶ = 248144893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248144951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124072478 + 124072479.

It is an arithmetic number, because the mean of its divisors is an integer number (124072479).

Almost surely, 2^248144957 is an apocalyptic number.

It is an amenable number.

248144957 is a deficient number, since it is larger than the sum of its proper divisors (1).

248144957 is an equidigital number, since it uses as much as digits as its factorization.

248144957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 44.

The square root of 248144957 is about 15752.6174650437. The cubic root of 248144957 is about 628.3985166135.

The spelling of 248144957 in words is "two hundred forty-eight million, one hundred forty-four thousand, nine hundred fifty-seven".