10154489 has 2 divisors, whose sum is σ = 10154490. Its totient is φ = 10154488.

The previous prime is 10154449. The next prime is 10154537. The reversal of 10154489 is 98445101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6943225 + 3211264 = 2635^2 + 1792^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10154489 is a prime.

It is a super-2 number, since 2×10154489² = 206227293702242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10154449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5077244 + 5077245.

It is an arithmetic number, because the mean of its divisors is an integer number (5077245).

Almost surely, 2^10154489 is an apocalyptic number.

It is an amenable number.

10154489 is a deficient number, since it is larger than the sum of its proper divisors (1).

10154489 is an equidigital number, since it uses as much as digits as its factorization.

10154489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 10154489 is about 3186.6108956068. The cubic root of 10154489 is about 216.5472591230.

The spelling of 10154489 in words is "ten million, one hundred fifty-four thousand, four hundred eighty-nine".