1145529396 has 72 divisors (see below), whose sum is σ = 3187984800. Its totient is φ = 343932480.

The previous prime is 1145529379. The next prime is 1145529403. The reversal of 1145529396 is 6939255411.

1145529396 is a `hidden beast` number, since 1 + 1 + 4 + 552 + 9 + 3 + 96 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29895 + ... + 56433.

Almost surely, 2^1145529396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145529396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1593992400).

1145529396 is an abundant number, since it is smaller than the sum of its proper divisors (2042455404).

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

1145529396 is a wasteful number, since it uses less digits than its factorization.

1145529396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26669 (or 26664 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 1145529396 is about 33845.6702696224. The cubic root of 1145529396 is about 1046.3301654465.

The spelling of 1145529396 in words is "one billion, one hundred forty-five million, five hundred twenty-nine thousand, three hundred ninety-six".