1145029888 has 72 divisors (see below), whose sum is σ = 2376926720. Its totient is φ = 549918720.

The previous prime is 1145029867. The next prime is 1145029901. The reversal of 1145029888 is 8889205411.

It is a happy number.

It is a super-2 number, since 2×1145029888² = 2622186888826585088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245493 + ... + 1246411.

Almost surely, 2^1145029888 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 1145029888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1188463360).

1145029888 is an abundant number, since it is smaller than the sum of its proper divisors (1231896832).

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

1145029888 is an equidigital number, since it uses as much as digits as its factorization.

1145029888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123 (or 1109 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 46.

The square root of 1145029888 is about 33838.2902641372. The cubic root of 1145029888 is about 1046.1780592746.

The spelling of 1145029888 in words is "one billion, one hundred forty-five million, twenty-nine thousand, eight hundred eighty-eight".