1145698 has 16 divisors (see below), whose sum is σ = 1880064. Its totient is φ = 521280.

The previous prime is 1145693. The next prime is 1145713. The reversal of 1145698 is 8965411.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (1145693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511 + ... + 1597.

It is an arithmetic number, because the mean of its divisors is an integer number (117504).

2^1145698 is an apocalyptic number.

1145698 is a deficient number, since it is larger than the sum of its proper divisors (734366).

1145698 is a wasteful number, since it uses less digits than its factorization.

1145698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137.

The product of its digits is 8640, while the sum is 34.

The square root of 1145698 is about 1070.3728322412. The cubic root of 1145698 is about 104.6381497403.

The spelling of 1145698 in words is "one million, one hundred forty-five thousand, six hundred ninety-eight".