2145117496 has 8 divisors (see below), whose sum is σ = 4022095320. Its totient is φ = 1072558744.

The previous prime is 2145117473. The next prime is 2145117497. The reversal of 2145117496 is 6947115412.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145117497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134069836 + ... + 134069851.

It is an arithmetic number, because the mean of its divisors is an integer number (502761915).

Almost surely, 2^2145117496 is an apocalyptic number.

It is an amenable number.

2145117496 is a deficient number, since it is larger than the sum of its proper divisors (1876977824).

2145117496 is a wasteful number, since it uses less digits than its factorization.

2145117496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268139693 (or 268139689 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 2145117496 is about 46315.4131580406. The cubic root of 2145117496 is about 1289.6851375850.

The spelling of 2145117496 in words is "two billion, one hundred forty-five million, one hundred seventeen thousand, four hundred ninety-six".