1141557930 has 48 divisors (see below), whose sum is σ = 3003829920. Its totient is φ = 300745824.

The previous prime is 1141557917. The next prime is 1141557947. The reversal of 1141557930 is 397551411.

It is a happy number.

1141557930 is a `hidden beast` number, since 1 + 14 + 1 + 557 + 93 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68940 + ... + 83879.

It is an arithmetic number, because the mean of its divisors is an integer number (62579790).

Almost surely, 2^1141557930 is an apocalyptic number.

1141557930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1141557930 is an abundant number, since it is smaller than the sum of its proper divisors (1862271990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1141557930 is a wasteful number, since it uses less digits than its factorization.

1141557930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152915 (or 152912 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 36.

The square root of 1141557930 is about 33786.9491076066. The cubic root of 1141557930 is about 1045.1195821732.

The spelling of 1141557930 in words is "one billion, one hundred forty-one million, five hundred fifty-seven thousand, nine hundred thirty".