1145151533 has 4 divisors (see below), whose sum is σ = 1171783008. Its totient is φ = 1118520060.

The previous prime is 1145151523. The next prime is 1145151541. The reversal of 1145151533 is 3351515411.

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-1145151533 is a prime.

It is a super-2 number, since 2×1145151533² = 2622744067064500178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1145151496 and 1145151505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145151523) 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, 13315673 + ... + 13315758.

It is an arithmetic number, because the mean of its divisors is an integer number (292945752).

Almost surely, 2^1145151533 is an apocalyptic number.

It is an amenable number.

1145151533 is a deficient number, since it is larger than the sum of its proper divisors (26631475).

1145151533 is an equidigital number, since it uses as much as digits as its factorization.

1145151533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26631474.

The product of its digits is 4500, while the sum is 29.

The square root of 1145151533 is about 33840.0876624160. The cubic root of 1145151533 is about 1046.2151057089.

Adding to 1145151533 its reverse (3351515411), we get a palindrome (4496666944).

The spelling of 1145151533 in words is "one billion, one hundred forty-five million, one hundred fifty-one thousand, five hundred thirty-three".