1145403637 has 16 divisors (see below), whose sum is σ = 1322472960. Its totient is φ = 971747568.

The previous prime is 1145403631. The next prime is 1145403643. The reversal of 1145403637 is 7363045411.

It is an interprime number because it is at equal distance from previous prime (1145403631) and next prime (1145403643).

It is a cyclic number.

It is not a de Polignac number, because 1145403637 - 2³ = 1145403629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145403631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282418 + ... + 286444.

It is an arithmetic number, because the mean of its divisors is an integer number (82654560).

Almost surely, 2^1145403637 is an apocalyptic number.

It is an amenable number.

1145403637 is a deficient number, since it is larger than the sum of its proper divisors (177069323).

1145403637 is a wasteful number, since it uses less digits than its factorization.

1145403637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4440.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 1145403637 is about 33843.8123886775. The cubic root of 1145403637 is about 1046.2918744894.

The spelling of 1145403637 in words is "one billion, one hundred forty-five million, four hundred three thousand, six hundred thirty-seven".