1149045738 has 16 divisors (see below), whose sum is σ = 2300840640. Its totient is φ = 382557056.

The previous prime is 1149045731. The next prime is 1149045749. The reversal of 1149045738 is 8375409411.

It is a happy number.

1149045738 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1149045738³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1149045738.

It is not an unprimeable number, because it can be changed into a prime (1149045731) 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, 109095 + ... + 119162.

It is an arithmetic number, because the mean of its divisors is an integer number (143802540).

Almost surely, 2^1149045738 is an apocalyptic number.

1149045738 is an abundant number, since it is smaller than the sum of its proper divisors (1151794902).

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

1149045738 is a wasteful number, since it uses less digits than its factorization.

1149045738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229101.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 1149045738 is about 33897.5771700574. The cubic root of 1149045738 is about 1047.3996844789.

The spelling of 1149045738 in words is "one billion, one hundred forty-nine million, forty-five thousand, seven hundred thirty-eight".