1154540090 has 32 divisors (see below), whose sum is σ = 2289565440. Its totient is φ = 415672000.

The previous prime is 1154540071. The next prime is 1154540117. The reversal of 1154540090 is 900454511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40850 + ... + 63069.

It is an arithmetic number, because the mean of its divisors is an integer number (71548920).

Almost surely, 2^1154540090 is an apocalyptic number.

1154540090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1154540090 is a deficient number, since it is larger than the sum of its proper divisors (1135025350).

1154540090 is a wasteful number, since it uses less digits than its factorization.

1154540090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104038.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 1154540090 is about 33978.5239526381. The cubic root of 1154540090 is about 1049.0664688285.

The spelling of 1154540090 in words is "one billion, one hundred fifty-four million, five hundred forty thousand, ninety".