1145307137 has 8 divisors (see below), whose sum is σ = 1298324160. Its totient is φ = 1001563920.

The previous prime is 1145307133. The next prime is 1145307143. The reversal of 1145307137 is 7317035411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1145307137 - 2² = 1145307133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145307131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2318189 + ... + 2318682.

It is an arithmetic number, because the mean of its divisors is an integer number (162290520).

It is a Proth number, since it is equal to 4369 ⋅ 2¹⁸ + 1 and 4369 < 2¹⁸.

Almost surely, 2^1145307137 is an apocalyptic number.

It is an amenable number.

1145307137 is a deficient number, since it is larger than the sum of its proper divisors (153017023).

1145307137 is a wasteful number, since it uses less digits than its factorization.

1145307137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4636903.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 1145307137 is about 33842.3866918396. The cubic root of 1145307137 is about 1046.2624903788.

The spelling of 1145307137 in words is "one billion, one hundred forty-five million, three hundred seven thousand, one hundred thirty-seven".