1154016381 has 16 divisors (see below), whose sum is σ = 1801392768. Its totient is φ = 643353600.

The previous prime is 1154016359. The next prime is 1154016403. The reversal of 1154016381 is 1836104511.

It is an interprime number because it is at equal distance from previous prime (1154016359) and next prime (1154016403).

It is not a de Polignac number, because 1154016381 - 2⁶ = 1154016317 is a prime.

It is a super-2 number, since 2×1154016381² = 2663507615232674322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154016581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 669300 + ... + 671021.

It is an arithmetic number, because the mean of its divisors is an integer number (112587048).

Almost surely, 2^1154016381 is an apocalyptic number.

It is an amenable number.

1154016381 is a deficient number, since it is larger than the sum of its proper divisors (647376387).

1154016381 is a wasteful number, since it uses less digits than its factorization.

1154016381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340372.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 1154016381 is about 33970.8166077885. The cubic root of 1154016381 is about 1048.9078230760.

The spelling of 1154016381 in words is "one billion, one hundred fifty-four million, sixteen thousand, three hundred eighty-one".