1144574750 has 64 divisors (see below), whose sum is σ = 2381835456. Its totient is φ = 408304000.

The previous prime is 1144574729. The next prime is 1144574771. The reversal of 1144574750 is 574754411.

It is an interprime number because it is at equal distance from previous prime (1144574729) and next prime (1144574771).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141824 + ... + 149676.

It is an arithmetic number, because the mean of its divisors is an integer number (37216179).

Almost surely, 2^1144574750 is an apocalyptic number.

1144574750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144574750 is an abundant number, since it is smaller than the sum of its proper divisors (1237260706).

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

1144574750 is a wasteful number, since it uses less digits than its factorization.

1144574750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7934 (or 7924 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 1144574750 is about 33831.5644036749. The cubic root of 1144574750 is about 1046.0394257776.

The spelling of 1144574750 in words is "one billion, one hundred forty-four million, five hundred seventy-four thousand, seven hundred fifty".