1145463069 has 4 divisors (see below), whose sum is σ = 1527284096. Its totient is φ = 763642044.

The previous prime is 1145463049. The next prime is 1145463079. The reversal of 1145463069 is 9603645411.

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 not a de Polignac number, because 1145463069 - 2⁵ = 1145463037 is a prime.

It is a super-2 number, since 2×1145463069² = 2624171284885797522, 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 (1145463049) 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, 190910509 + ... + 190910514.

It is an arithmetic number, because the mean of its divisors is an integer number (381821024).

Almost surely, 2^1145463069 is an apocalyptic number.

It is an amenable number.

1145463069 is a deficient number, since it is larger than the sum of its proper divisors (381821027).

1145463069 is an equidigital number, since it uses as much as digits as its factorization.

1145463069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381821026.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 1145463069 is about 33844.6904107572. The cubic root of 1145463069 is about 1046.3099706264.

The spelling of 1145463069 in words is "one billion, one hundred forty-five million, four hundred sixty-three thousand, sixty-nine".