289454157 has 6 divisors (see below), whose sum is σ = 418100462. Its totient is φ = 192969432.

The previous prime is 289454141. The next prime is 289454159. The reversal of 289454157 is 751454982.

It can be written as a sum of positive squares in only one way, i.e., 218034756 + 71419401 = 14766^2 + 8451^2 .

It is not a de Polignac number, because 289454157 - 2⁴ = 289454141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289454159) 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, 16080778 + ... + 16080795.

Almost surely, 2^289454157 is an apocalyptic number.

It is an amenable number.

289454157 is a deficient number, since it is larger than the sum of its proper divisors (128646305).

289454157 is a wasteful number, since it uses less digits than its factorization.

289454157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32161579 (or 32161576 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 289454157 is about 17013.3523151670. The cubic root of 289454157 is about 661.4950474654.

The spelling of 289454157 in words is "two hundred eighty-nine million, four hundred fifty-four thousand, one hundred fifty-seven".