10145989 has 6 divisors (see below), whose sum is σ = 11802534. Its totient is φ = 8696520.

The previous prime is 10145987. The next prime is 10145999. The reversal of 10145989 is 98954101.

It can be written as a sum of positive squares in only one way, i.e., 10144225 + 1764 = 3185^2 + 42^2 .

It is not a de Polignac number, because 10145989 - 2¹ = 10145987 is a prime.

It is a super-3 number, since 3×10145989³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10145987) 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 in 5 ways as a sum of consecutive naturals, for example, 103482 + ... + 103579.

It is an arithmetic number, because the mean of its divisors is an integer number (1967089).

Almost surely, 2^10145989 is an apocalyptic number.

It is an amenable number.

10145989 is a deficient number, since it is larger than the sum of its proper divisors (1656545).

10145989 is an equidigital number, since it uses as much as digits as its factorization.

10145989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207075 (or 207068 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 10145989 is about 3185.2769110393. The cubic root of 10145989 is about 216.4868206468.

The spelling of 10145989 in words is "ten million, one hundred forty-five thousand, nine hundred eighty-nine".