1151458854 has 96 divisors (see below), whose sum is σ = 2942429184. Its totient is φ = 293829120.

The previous prime is 1151458853. The next prime is 1151458879. The reversal of 1151458854 is 4588541511.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151458853) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 217422 + ... + 222654.

It is an arithmetic number, because the mean of its divisors is an integer number (30650304).

Almost surely, 2^1151458854 is an apocalyptic number.

1151458854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1151458854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1471214592).

1151458854 is an abundant number, since it is smaller than the sum of its proper divisors (1790970330).

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

1151458854 is a wasteful number, since it uses less digits than its factorization.

1151458854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5302 (or 5289 counting only the distinct ones).

The product of its digits is 128000, while the sum is 42.

The square root of 1151458854 is about 33933.1527270898. The cubic root of 1151458854 is about 1048.1323880256.

The spelling of 1151458854 in words is "one billion, one hundred fifty-one million, four hundred fifty-eight thousand, eight hundred fifty-four".