1145052434 has 4 divisors (see below), whose sum is σ = 1717578654. Its totient is φ = 572526216.

The previous prime is 1145052413. The next prime is 1145052451. The reversal of 1145052434 is 4342505411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4342505411 = 54059 ⋅80329.

It can be written as a sum of positive squares in only one way, i.e., 731540209 + 413512225 = 27047^2 + 20335^2 .

It is a super-2 number, since 2×1145052434² = 2622290153218648712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1145052397 and 1145052406.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286263107 + ... + 286263110.

Almost surely, 2^1145052434 is an apocalyptic number.

1145052434 is a deficient number, since it is larger than the sum of its proper divisors (572526220).

1145052434 is an equidigital number, since it uses as much as digits as its factorization.

1145052434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572526219.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1145052434 is about 33838.6234058066. The cubic root of 1145052434 is about 1046.1849257549.

Adding to 1145052434 its reverse (4342505411), we get a palindrome (5487557845).

The spelling of 1145052434 in words is "one billion, one hundred forty-five million, fifty-two thousand, four hundred thirty-four".