1145264634 has 96 divisors (see below), whose sum is σ = 2676610560. Its totient is φ = 352836000.

The previous prime is 1145264633. The next prime is 1145264657. The reversal of 1145264634 is 4364625411.

1145264634 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 2 + 646 + 3 + 4 = 666.

Its product of digits (69120) is a multiple of the sum of its prime factors (576).

It is not an unprimeable number, because it can be changed into a prime (1145264633) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3459849 + ... + 3460179.

It is an arithmetic number, because the mean of its divisors is an integer number (27881360).

Almost surely, 2^1145264634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145264634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1338305280).

1145264634 is an abundant number, since it is smaller than the sum of its proper divisors (1531345926).

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

1145264634 is a wasteful number, since it uses less digits than its factorization.

1145264634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576 (or 573 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 1145264634 is about 33841.7587308934. The cubic root of 1145264634 is about 1046.2495477531.

The spelling of 1145264634 in words is "one billion, one hundred forty-five million, two hundred sixty-four thousand, six hundred thirty-four".