1145844207 has 6 divisors (see below), whose sum is σ = 1655108312. Its totient is φ = 763896132.

The previous prime is 1145844131. The next prime is 1145844223. The reversal of 1145844207 is 7024485411.

It is a happy number.

It is not a de Polignac number, because 1145844207 - 2³⁰ = 72102383 is a prime.

It is a super-3 number, since 3×1145844207³ (a number of 28 digits) contains 333 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 (1145844257) 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, 63658003 + ... + 63658020.

Almost surely, 2^1145844207 is an apocalyptic number.

1145844207 is a deficient number, since it is larger than the sum of its proper divisors (509264105).

1145844207 is a wasteful number, since it uses less digits than its factorization.

1145844207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127316029 (or 127316026 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 1145844207 is about 33850.3206336365. The cubic root of 1145844207 is about 1046.4260064544.

The spelling of 1145844207 in words is "one billion, one hundred forty-five million, eight hundred forty-four thousand, two hundred seven".