1144154532 has 24 divisors (see below), whose sum is σ = 2681358400. Its totient is φ = 379718496.

The previous prime is 1144154509. The next prime is 1144154537. The reversal of 1144154532 is 2354514411.

It is a super-2 number, since 2×1144154532² = 2618179186192278048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1144154532.

It is not an unprimeable number, because it can be changed into a prime (1144154537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205432 + ... + 210927.

Almost surely, 2^1144154532 is an apocalyptic number.

1144154532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1144154532 is an abundant number, since it is smaller than the sum of its proper divisors (1537203868).

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

1144154532 is a wasteful number, since it uses less digits than its factorization.

1144154532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416595 (or 416593 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 1144154532 is about 33825.3533906152. The cubic root of 1144154532 is about 1045.9113961607.

Adding to 1144154532 its reverse (2354514411), we get a palindrome (3498668943).

The spelling of 1144154532 in words is "one billion, one hundred forty-four million, one hundred fifty-four thousand, five hundred thirty-two".