1145740357 has 8 divisors (see below), whose sum is σ = 1153346040. Its totient is φ = 1138157760.

The previous prime is 1145740333. The next prime is 1145740361. The reversal of 1145740357 is 7530475411.

It can be written as a sum of positive squares in 4 ways, for example, as 344510721 + 801229636 = 18561^2 + 28306^2 .

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 1145740357 - 2¹¹ = 1145738309 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 (1145740657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100143 + ... + 110995.

It is an arithmetic number, because the mean of its divisors is an integer number (144168255).

Almost surely, 2^1145740357 is an apocalyptic number.

It is an amenable number.

1145740357 is a deficient number, since it is larger than the sum of its proper divisors (7605683).

1145740357 is a wasteful number, since it uses less digits than its factorization.

1145740357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11543.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 1145740357 is about 33848.7866399964. The cubic root of 1145740357 is about 1046.3943923184.

The spelling of 1145740357 in words is "one billion, one hundred forty-five million, seven hundred forty thousand, three hundred fifty-seven".