1145907489 has 8 divisors (see below), whose sum is σ = 1528822240. Its totient is φ = 763465536.

The previous prime is 1145907487. The next prime is 1145907493. The reversal of 1145907489 is 9847095411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1145907489 - 2¹ = 1145907487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145907487) 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 7 ways as a sum of consecutive naturals, for example, 112504 + ... + 122265.

It is an arithmetic number, because the mean of its divisors is an integer number (191102780).

Almost surely, 2^1145907489 is an apocalyptic number.

It is an amenable number.

1145907489 is a deficient number, since it is larger than the sum of its proper divisors (382914751).

1145907489 is a wasteful number, since it uses less digits than its factorization.

1145907489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236399.

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 1145907489 is about 33851.2553533839. The cubic root of 1145907489 is about 1046.4452698968.

The spelling of 1145907489 in words is "one billion, one hundred forty-five million, nine hundred seven thousand, four hundred eighty-nine".