10145987 has 2 divisors, whose sum is σ = 10145988. Its totient is φ = 10145986.

The previous prime is 10145977. The next prime is 10145999. The reversal of 10145987 is 78954101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10145987 - 2¹² = 10141891 is a prime.

It is a super-3 number, since 3×10145987³ (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (10145917) 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, 5072993 + 5072994.

It is an arithmetic number, because the mean of its divisors is an integer number (5072994).

Almost surely, 2^10145987 is an apocalyptic number.

10145987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10145987 is an equidigital number, since it uses as much as digits as its factorization.

10145987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 10145987 is about 3185.2765970948. The cubic root of 10145987 is about 216.4868064220.

The spelling of 10145987 in words is "ten million, one hundred forty-five thousand, nine hundred eighty-seven".