1154652408 has 384 divisors, whose sum is σ = 4094737920. Its totient is φ = 296732160.

The previous prime is 1154652379. The next prime is 1154652413. The reversal of 1154652408 is 8042564511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10791091 + ... + 10791197.

It is an arithmetic number, because the mean of its divisors is an integer number (10663380).

Almost surely, 2^1154652408 is an apocalyptic number.

1154652408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1154652408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2047368960).

1154652408 is an abundant number, since it is smaller than the sum of its proper divisors (2940085512).

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

1154652408 is a wasteful number, since it uses less digits than its factorization.

1154652408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 1154652408 is about 33980.1766917125. The cubic root of 1154652408 is about 1049.1004867686.

The spelling of 1154652408 in words is "one billion, one hundred fifty-four million, six hundred fifty-two thousand, four hundred eight".