1144520052 has 36 divisors (see below), whose sum is σ = 2891780640. Its totient is φ = 352159392.

The previous prime is 1144520051. The next prime is 1144520099. The reversal of 1144520052 is 2500254411.

It is a super-2 number, since 2×1144520052² = 2619852298860165408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144520051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280152 + ... + 284207.

It is an arithmetic number, because the mean of its divisors is an integer number (80327240).

Almost surely, 2^1144520052 is an apocalyptic number.

1144520052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1144520052 is an abundant number, since it is smaller than the sum of its proper divisors (1747260588).

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

1144520052 is a wasteful number, since it uses less digits than its factorization.

1144520052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564392 (or 564377 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1144520052 is about 33830.7560069236. The cubic root of 1144520052 is about 1046.0227624780.

Adding to 1144520052 its reverse (2500254411), we get a palindrome (3644774463).

The spelling of 1144520052 in words is "one billion, one hundred forty-four million, five hundred twenty thousand, fifty-two".