1143497098 has 8 divisors (see below), whose sum is σ = 1734518340. Its totient is φ = 565324320.

The previous prime is 1143497087. The next prime is 1143497149. The reversal of 1143497098 is 8907943411.

It can be written as a sum of positive squares in 2 ways, for example, as 970758649 + 172738449 = 31157^2 + 13143^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1143497098² = 2615171226268843208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3211893 + ... + 3212248.

Almost surely, 2^1143497098 is an apocalyptic number.

1143497098 is a deficient number, since it is larger than the sum of its proper divisors (591021242).

1143497098 is an equidigital number, since it uses as much as digits as its factorization.

1143497098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6424232.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 1143497098 is about 33815.6339287023. The cubic root of 1143497098 is about 1045.7110300278.

The spelling of 1143497098 in words is "one billion, one hundred forty-three million, four hundred ninety-seven thousand, ninety-eight".