1145530098 has 12 divisors (see below), whose sum is σ = 2481981918. Its totient is φ = 381843360.

The previous prime is 1145530097. The next prime is 1145530103. The reversal of 1145530098 is 8900355411.

1145530098 is a `hidden beast` number, since 1 + 14 + 553 + 0 + 0 + 98 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1000014129 + 145515969 = 31623^2 + 12063^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1145530097) 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, 31820263 + ... + 31820298.

Almost surely, 2^1145530098 is an apocalyptic number.

1145530098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1145530098 is an abundant number, since it is smaller than the sum of its proper divisors (1336451820).

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

1145530098 is a wasteful number, since it uses less digits than its factorization.

1145530098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63640569 (or 63640566 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 1145530098 is about 33845.6806402235. The cubic root of 1145530098 is about 1046.3303791828.

The spelling of 1145530098 in words is "one billion, one hundred forty-five million, five hundred thirty thousand, ninety-eight".