1145024551 has 4 divisors (see below), whose sum is σ = 1249117704. Its totient is φ = 1040931400.

The previous prime is 1145024549. The next prime is 1145024581. The reversal of 1145024551 is 1554205411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1554205411 = 11 ⋅141291401.

It is a cyclic number.

It is not a de Polignac number, because 1145024551 - 2¹ = 1145024549 is a prime.

It is a super-2 number, since 2×1145024551² = 2622162444785503202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145024501) 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, 52046560 + ... + 52046581.

It is an arithmetic number, because the mean of its divisors is an integer number (312279426).

Almost surely, 2^1145024551 is an apocalyptic number.

1145024551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1145024551 is a deficient number, since it is larger than the sum of its proper divisors (104093153).

1145024551 is a wasteful number, since it uses less digits than its factorization.

1145024551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104093152.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 1145024551 is about 33838.2114036779. The cubic root of 1145024551 is about 1046.1764338553.

Adding to 1145024551 its reverse (1554205411), we get a palindrome (2699229962).

The spelling of 1145024551 in words is "one billion, one hundred forty-five million, twenty-four thousand, five hundred fifty-one".