1145122415 has 16 divisors (see below), whose sum is σ = 1408923936. Its totient is φ = 893485120.

The previous prime is 1145122409. The next prime is 1145122441. The reversal of 1145122415 is 5142215411.

It is a happy number.

It is not a de Polignac number, because 1145122415 - 2¹⁰ = 1145121391 is a prime.

It is a super-2 number, since 2×1145122415² = 2622610690670864450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342944 + ... + 346266.

It is an arithmetic number, because the mean of its divisors is an integer number (88057746).

Almost surely, 2^1145122415 is an apocalyptic number.

1145122415 is a deficient number, since it is larger than the sum of its proper divisors (263801521).

1145122415 is an frugal number, since it uses more digits than its factorization.

1145122415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3451 (or 3369 counting only the distinct ones).

The product of its digits is 1600, while the sum is 26.

The square root of 1145122415 is about 33839.6574302991. The cubic root of 1145122415 is about 1046.2062381926.

Adding to 1145122415 its reverse (5142215411), we get a palindrome (6287337826).

The spelling of 1145122415 in words is "one billion, one hundred forty-five million, one hundred twenty-two thousand, four hundred fifteen".