1145692417 has 4 divisors (see below), whose sum is σ = 1153279936. Its totient is φ = 1138104900.

The previous prime is 1145692393. The next prime is 1145692447. The reversal of 1145692417 is 7142965411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145692417 is a prime.

It is a super-2 number, since 2×1145692417² = 2625222228742603778, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1145692417.

It is not an unprimeable number, because it can be changed into a prime (1145692447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3793533 + ... + 3793834.

It is an arithmetic number, because the mean of its divisors is an integer number (288319984).

Almost surely, 2^1145692417 is an apocalyptic number.

It is an amenable number.

1145692417 is a deficient number, since it is larger than the sum of its proper divisors (7587519).

1145692417 is an equidigital number, since it uses as much as digits as its factorization.

1145692417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7587518.

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

The square root of 1145692417 is about 33848.0784831281. The cubic root of 1145692417 is about 1046.3797977242.

The spelling of 1145692417 in words is "one billion, one hundred forty-five million, six hundred ninety-two thousand, four hundred seventeen".