1159498142 has 16 divisors (see below), whose sum is σ = 1997222400. Its totient is φ = 499305240.

The previous prime is 1159498121. The next prime is 1159498147. The reversal of 1159498142 is 2418949511.

It is a junction number, because it is equal to n+sod(n) for n = 1159498093 and 1159498102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159498147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1386542 + ... + 1387377.

It is an arithmetic number, because the mean of its divisors is an integer number (124826400).

Almost surely, 2^1159498142 is an apocalyptic number.

1159498142 is a deficient number, since it is larger than the sum of its proper divisors (837724258).

1159498142 is a wasteful number, since it uses less digits than its factorization.

1159498142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773951.

The product of its digits is 103680, while the sum is 44.

The square root of 1159498142 is about 34051.4044056923. The cubic root of 1159498142 is about 1050.5660264861.

The spelling of 1159498142 in words is "one billion, one hundred fifty-nine million, four hundred ninety-eight thousand, one hundred forty-two".