1145355 has 16 divisors (see below), whose sum is σ = 1896480. Its totient is φ = 589568.

The previous prime is 1145329. The next prime is 1145359. The reversal of 1145355 is 5535411.

It is a cyclic number.

It is not a de Polignac number, because 1145355 - 2⁵ = 1145323 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1145359) 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, 882 + ... + 1751.

It is an arithmetic number, because the mean of its divisors is an integer number (118530).

2^1145355 is an apocalyptic number.

1145355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1145355 is a deficient number, since it is larger than the sum of its proper divisors (751125).

1145355 is a wasteful number, since it uses less digits than its factorization.

1145355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670.

The product of its digits is 1500, while the sum is 24.

The square root of 1145355 is about 1070.2125957024. The cubic root of 1145355 is about 104.6277064799.

Adding to 1145355 its product of digits (1500), we get a triangular number (1146855 = T₁₅₁₄).

The spelling of 1145355 in words is "one million, one hundred forty-five thousand, three hundred fifty-five".