1144763550 has 96 divisors (see below), whose sum is σ = 3605126400. Its totient is φ = 261658080.

The previous prime is 1144763549. The next prime is 1144763621. The reversal of 1144763550 is 553674411.

1144763550 is a `hidden beast` number, since 1 + 1 + 4 + 47 + 63 + 550 = 666.

1144763550 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51120 + ... + 70019.

It is an arithmetic number, because the mean of its divisors is an integer number (37553400).

Almost surely, 2^1144763550 is an apocalyptic number.

1144763550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144763550 is an abundant number, since it is smaller than the sum of its proper divisors (2460362850).

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

1144763550 is a wasteful number, since it uses less digits than its factorization.

1144763550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121167 (or 121156 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 1144763550 is about 33834.3545822881. The cubic root of 1144763550 is about 1046.0969380795.

The spelling of 1144763550 in words is "one billion, one hundred forty-four million, seven hundred sixty-three thousand, five hundred fifty".