1145705757 has 32 divisors (see below), whose sum is σ = 1854059520. Its totient is φ = 614718720.

The previous prime is 1145705753. The next prime is 1145705761. The reversal of 1145705757 is 7575075411.

It is an interprime number because it is at equal distance from previous prime (1145705753) and next prime (1145705761).

It is not a de Polignac number, because 1145705757 - 2² = 1145705753 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145705753) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32382 + ... + 57792.

It is an arithmetic number, because the mean of its divisors is an integer number (57939360).

Almost surely, 2^1145705757 is an apocalyptic number.

It is an amenable number.

1145705757 is a deficient number, since it is larger than the sum of its proper divisors (708353763).

1145705757 is a wasteful number, since it uses less digits than its factorization.

1145705757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25553.

The product of its (nonzero) digits is 171500, while the sum is 42.

The square root of 1145705757 is about 33848.2755395308. The cubic root of 1145705757 is about 1046.3838589225.

The spelling of 1145705757 in words is "one billion, one hundred forty-five million, seven hundred five thousand, seven hundred fifty-seven".