1145042604 has 18 divisors (see below), whose sum is σ = 2894413340. Its totient is φ = 381680856.

The previous prime is 1145042597. The next prime is 1145042609. The reversal of 1145042604 is 4062405411.

1145042604 is a `hidden beast` number, since 1 + 1 + 4 + 50 + 4 + 2 + 604 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1145042604² = 2622245129950201632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1145042609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15903334 + ... + 15903405.

Almost surely, 2^1145042604 is an apocalyptic number.

It is an amenable number.

1145042604 is an abundant number, since it is smaller than the sum of its proper divisors (1749370736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145042604 is a wasteful number, since it uses less digits than its factorization.

1145042604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31806749 (or 31806744 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1145042604 is about 33838.4781572694. The cubic root of 1145042604 is about 1046.1819319976.

The spelling of 1145042604 in words is "one billion, one hundred forty-five million, forty-two thousand, six hundred four".