1154549380 has 24 divisors (see below), whose sum is σ = 2443650048. Its totient is φ = 458182368.

The previous prime is 1154549327. The next prime is 1154549393. The reversal of 1154549380 is 839454511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224734 + ... + 229813.

It is an arithmetic number, because the mean of its divisors is an integer number (101818752).

Almost surely, 2^1154549380 is an apocalyptic number.

1154549380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1154549380 is an abundant number, since it is smaller than the sum of its proper divisors (1289100668).

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

1154549380 is a wasteful number, since it uses less digits than its factorization.

1154549380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454683 (or 454681 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 1154549380 is about 33978.6606563590. The cubic root of 1154549380 is about 1049.0692825900.

The spelling of 1154549380 in words is "one billion, one hundred fifty-four million, five hundred forty-nine thousand, three hundred eighty".