1145672829 has 24 divisors (see below), whose sum is σ = 1961319360. Its totient is φ = 654669216.

The previous prime is 1145672813. The next prime is 1145672851. The reversal of 1145672829 is 9282765411.

1145672829 is a `hidden beast` number, since 1 + 1 + 4 + 567 + 2 + 82 + 9 = 666.

It is not a de Polignac number, because 1145672829 - 2⁴ = 1145672813 is a prime.

It is a super-2 number, since 2×1145672829² = 2625132462217726482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145672029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 335064 + ... + 338465.

It is an arithmetic number, because the mean of its divisors is an integer number (81721640).

Almost surely, 2^1145672829 is an apocalyptic number.

It is an amenable number.

1145672829 is a deficient number, since it is larger than the sum of its proper divisors (815646531).

1145672829 is an frugal number, since it uses more digits than its factorization.

1145672829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673551 (or 673539 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 1145672829 is about 33847.7891301633. The cubic root of 1145672829 is about 1046.3738343423.

The spelling of 1145672829 in words is "one billion, one hundred forty-five million, six hundred seventy-two thousand, eight hundred twenty-nine".