1144998 has 12 divisors (see below), whose sum is σ = 2480868. Its totient is φ = 381660.

The previous prime is 1144993. The next prime is 1145003. The reversal of 1144998 is 8994411.

It is an interprime number because it is at equal distance from previous prime (1144993) and next prime (1145003).

It is a super-2 number, since 2×1144998² = 2622040840008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31788 + ... + 31823.

It is an arithmetic number, because the mean of its divisors is an integer number (206739).

2^1144998 is an apocalyptic number.

1144998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1144998 is an abundant number, since it is smaller than the sum of its proper divisors (1335870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144998 is a wasteful number, since it uses less digits than its factorization.

1144998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63619 (or 63616 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 1144998 is about 1070.0457934126. The cubic root of 1144998 is about 104.6168347494.

The spelling of 1144998 in words is "one million, one hundred forty-four thousand, nine hundred ninety-eight".