1153244454 has 16 divisors (see below), whose sum is σ = 2380892160. Its totient is φ = 372014280.

The previous prime is 1153244383. The next prime is 1153244471. The reversal of 1153244454 is 4544423511.

It is a happy number.

It is a congruent number.

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, 3099934 + ... + 3100305.

It is an arithmetic number, because the mean of its divisors is an integer number (148805760).

Almost surely, 2^1153244454 is an apocalyptic number.

1153244454 is an abundant number, since it is smaller than the sum of its proper divisors (1227647706).

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

1153244454 is a wasteful number, since it uses less digits than its factorization.

1153244454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6200275.

The product of its digits is 38400, while the sum is 33.

The square root of 1153244454 is about 33959.4530874689. The cubic root of 1153244454 is about 1048.6738977804.

Adding to 1153244454 its reverse (4544423511), we get a palindrome (5697667965).

The spelling of 1153244454 in words is "one billion, one hundred fifty-three million, two hundred forty-four thousand, four hundred fifty-four".