1045650540 has 144 divisors (see below), whose sum is σ = 3263922144. Its totient is φ = 249891840.

The previous prime is 1045650533. The next prime is 1045650547. The reversal of 1045650540 is 450565401.

1045650540 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1045650533) and next prime (1045650547).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1045650498 and 1045650507.

It is not an unprimeable number, because it can be changed into a prime (1045650547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 528994 + ... + 530966.

It is an arithmetic number, because the mean of its divisors is an integer number (22666126).

Almost surely, 2^1045650540 is an apocalyptic number.

1045650540 is a gapful number since it is divisible by the number (10) 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 1045650540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1631961072).

1045650540 is an abundant number, since it is smaller than the sum of its proper divisors (2218271604).

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

1045650540 is a wasteful number, since it uses less digits than its factorization.

1045650540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080 (or 2067 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1045650540 is about 32336.5202209514. The cubic root of 1045650540 is about 1014.9909937968.

The spelling of 1045650540 in words is "one billion, forty-five million, six hundred fifty thousand, five hundred forty".