10145220142457 has 2 divisors, whose sum is σ = 10145220142458. Its totient is φ = 10145220142456.

The previous prime is 10145220142451. The next prime is 10145220142469. The reversal of 10145220142457 is 75424102254101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7474597428841 + 2670622713616 = 2733971^2 + 1634204^2 .

It is an emirp because it is prime and its reverse (75424102254101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10145220142457 - 2⁸ = 10145220142201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10145220142457.

It is not a weakly prime, because it can be changed into another prime (10145220142451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5072610071228 + 5072610071229.

It is an arithmetic number, because the mean of its divisors is an integer number (5072610071229).

Almost surely, 2^{10145220142457} is an apocalyptic number.

It is an amenable number.

10145220142457 is a deficient number, since it is larger than the sum of its proper divisors (1).

10145220142457 is an equidigital number, since it uses as much as digits as its factorization.

10145220142457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 89600, while the sum is 38.

Adding to 10145220142457 its reverse (75424102254101), we get a palindrome (85569322396558).

The spelling of 10145220142457 in words is "ten trillion, one hundred forty-five billion, two hundred twenty million, one hundred forty-two thousand, four hundred fifty-seven".