10145981501 has 2 divisors, whose sum is σ = 10145981502. Its totient is φ = 10145981500.

The previous prime is 10145981473. The next prime is 10145981539. The reversal of 10145981501 is 10518954101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10110101401 + 35880100 = 100549^2 + 5990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10145981501 is a prime.

It is a super-3 number, since 3×10145981501³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10145981591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5072990750 + 5072990751.

It is an arithmetic number, because the mean of its divisors is an integer number (5072990751).

Almost surely, 2^10145981501 is an apocalyptic number.

It is an amenable number.

10145981501 is a deficient number, since it is larger than the sum of its proper divisors (1).

10145981501 is an equidigital number, since it uses as much as digits as its factorization.

10145981501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 35.

The spelling of 10145981501 in words is "ten billion, one hundred forty-five million, nine hundred eighty-one thousand, five hundred one".