1150400158 has 4 divisors (see below), whose sum is σ = 1725600240. Its totient is φ = 575200078.

The previous prime is 1150400137. The next prime is 1150400171. The reversal of 1150400158 is 8510040511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287600038 + ... + 287600041.

It is an arithmetic number, because the mean of its divisors is an integer number (431400060).

Almost surely, 2^1150400158 is an apocalyptic number.

1150400158 is a deficient number, since it is larger than the sum of its proper divisors (575200082).

1150400158 is an equidigital number, since it uses as much as digits as its factorization.

1150400158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575200081.

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 1150400158 is about 33917.5494102979. The cubic root of 1150400158 is about 1047.8110583133.

Adding to 1150400158 its reverse (8510040511), we get a palindrome (9660440669).

The spelling of 1150400158 in words is "one billion, one hundred fifty million, four hundred thousand, one hundred fifty-eight".