1145962998 has 64 divisors (see below), whose sum is σ = 2705472000. Its totient is φ = 358528032.

The previous prime is 1145962991. The next prime is 1145963003. The reversal of 1145962998 is 8992695411.

1145962998 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 9 + 629 + 9 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145962991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106711 + ... + 116957.

It is an arithmetic number, because the mean of its divisors is an integer number (42273000).

Almost surely, 2^1145962998 is an apocalyptic number.

1145962998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145962998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1352736000).

1145962998 is an abundant number, since it is smaller than the sum of its proper divisors (1559509002).

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

1145962998 is a wasteful number, since it uses less digits than its factorization.

1145962998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10386 (or 10380 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 54.

The square root of 1145962998 is about 33852.0752391932. The cubic root of 1145962998 is about 1046.4621666048.

The spelling of 1145962998 in words is "one billion, one hundred forty-five million, nine hundred sixty-two thousand, nine hundred ninety-eight".