1145691424 has 24 divisors (see below), whose sum is σ = 2289249648. Its totient is φ = 564294720.

The previous prime is 1145691409. The next prime is 1145691427. The reversal of 1145691424 is 4241965411.

It is not an unprimeable number, because it can be changed into a prime (1145691427) 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, 265042 + ... + 269329.

It is an arithmetic number, because the mean of its divisors is an integer number (95385402).

Almost surely, 2^1145691424 is an apocalyptic number.

It is an amenable number.

1145691424 is a deficient number, since it is larger than the sum of its proper divisors (1143558224).

1145691424 is an equidigital number, since it uses as much as digits as its factorization.

1145691424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534448 (or 534440 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 1145691424 is about 33848.0638146409. The cubic root of 1145691424 is about 1046.3794954163.

The spelling of 1145691424 in words is "one billion, one hundred forty-five million, six hundred ninety-one thousand, four hundred twenty-four".