1152531454 has 32 divisors (see below), whose sum is σ = 1828832256. Its totient is φ = 544008960.

The previous prime is 1152531421. The next prime is 1152531491. The reversal of 1152531454 is 4541352511.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443182 + ... + 445774.

It is an arithmetic number, because the mean of its divisors is an integer number (57151008).

Almost surely, 2^1152531454 is an apocalyptic number.

1152531454 is a deficient number, since it is larger than the sum of its proper divisors (676300802).

1152531454 is a wasteful number, since it uses less digits than its factorization.

1152531454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800.

The product of its digits is 12000, while the sum is 31.

The square root of 1152531454 is about 33948.9536510332. The cubic root of 1152531454 is about 1048.4577370088.

Adding to 1152531454 its reverse (4541352511), we get a palindrome (5693883965).

The spelling of 1152531454 in words is "one billion, one hundred fifty-two million, five hundred thirty-one thousand, four hundred fifty-four".