1489205157 has 32 divisors (see below), whose sum is σ = 2230502400. Its totient is φ = 875952000.

The previous prime is 1489205153. The next prime is 1489205189. The reversal of 1489205157 is 7515029841.

It is not a de Polignac number, because 1489205157 - 2² = 1489205153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489205153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266482 + ... + 272012.

It is an arithmetic number, because the mean of its divisors is an integer number (69703200).

Almost surely, 2^1489205157 is an apocalyptic number.

It is an amenable number.

1489205157 is a deficient number, since it is larger than the sum of its proper divisors (741297243).

1489205157 is a wasteful number, since it uses less digits than its factorization.

1489205157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5785.

The product of its (nonzero) digits is 100800, while the sum is 42.

The square root of 1489205157 is about 38590.2210022176. The cubic root of 1489205157 is about 1141.9616264916.

The spelling of 1489205157 in words is "one billion, four hundred eighty-nine million, two hundred five thousand, one hundred fifty-seven".