158257242098 has 24 divisors (see below), whose sum is σ = 244628886276. Its totient is φ = 76764931200.

The previous prime is 158257242049. The next prime is 158257242103. The reversal of 158257242098 is 890242752851.

It can be written as a sum of positive squares in 6 ways, for example, as 76813785409 + 81443456689 = 277153^2 + 285383^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 528428 + ... + 771848.

Almost surely, 2^158257242098 is an apocalyptic number.

158257242098 is a deficient number, since it is larger than the sum of its proper divisors (86371644178).

158257242098 is an equidigital number, since it uses as much as digits as its factorization.

158257242098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243630 (or 243557 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 53.

The spelling of 158257242098 in words is "one hundred fifty-eight billion, two hundred fifty-seven million, two hundred forty-two thousand, ninety-eight".