1145040624 has 600 divisors, whose sum is σ = 4430081040. Its totient is φ = 282175488.

The previous prime is 1145040623. The next prime is 1145040683. The reversal of 1145040624 is 4260405411.

It is a super-2 number, since 2×1145040624² = 2622236061220618752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145040623) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 15685452 + ... + 15685524.

Almost surely, 2^1145040624 is an apocalyptic number.

1145040624 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145040624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2215040520).

1145040624 is an abundant number, since it is smaller than the sum of its proper divisors (3285040416).

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

1145040624 is a wasteful number, since it uses less digits than its factorization.

1145040624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1145040624 is about 33838.4489006219. The cubic root of 1145040624 is about 1046.1813289803.

The spelling of 1145040624 in words is "one billion, one hundred forty-five million, forty thousand, six hundred twenty-four".