1145453761 has 8 divisors (see below), whose sum is σ = 1216218240. Its totient is φ = 1075065408.

The previous prime is 1145453759. The next prime is 1145453773. The reversal of 1145453761 is 1673545411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1145453761 - 2¹ = 1145453759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1145453761.

It is not an unprimeable number, because it can be changed into a prime (1145453711) 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, 87741 + ... + 99946.

It is an arithmetic number, because the mean of its divisors is an integer number (152027280).

Almost surely, 2^1145453761 is an apocalyptic number.

It is an amenable number.

1145453761 is a deficient number, since it is larger than the sum of its proper divisors (70764479).

1145453761 is a wasteful number, since it uses less digits than its factorization.

1145453761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188063.

The product of its digits is 50400, while the sum is 37.

The square root of 1145453761 is about 33844.5528999867. The cubic root of 1145453761 is about 1046.3071365238.

The spelling of 1145453761 in words is "one billion, one hundred forty-five million, four hundred fifty-three thousand, seven hundred sixty-one".