1144520152 has 8 divisors (see below), whose sum is σ = 2145975300. Its totient is φ = 572260072.

The previous prime is 1144520137. The next prime is 1144520191. The reversal of 1144520152 is 2510254411.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71532502 + ... + 71532517.

Almost surely, 2^1144520152 is an apocalyptic number.

It is an amenable number.

1144520152 is a deficient number, since it is larger than the sum of its proper divisors (1001455148).

1144520152 is a wasteful number, since it uses less digits than its factorization.

1144520152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143065025 (or 143065021 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1144520152 is about 33830.7574848687. The cubic root of 1144520152 is about 1046.0227929427.

Adding to 1144520152 its reverse (2510254411), we get a palindrome (3654774563).

The spelling of 1144520152 in words is "one billion, one hundred forty-four million, five hundred twenty thousand, one hundred fifty-two".