1045519860 has 216 divisors, whose sum is σ = 3744407520. Its totient is φ = 217176960.

The previous prime is 1045519837. The next prime is 1045519883. The reversal of 1045519860 is 689155401.

It is an interprime number because it is at equal distance from previous prime (1045519837) and next prime (1045519883).

It is a super-2 number, since 2×1045519860² = 2186223555308839200, 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 71 ways as a sum of consecutive naturals, for example, 354271 + ... + 357209.

It is an arithmetic number, because the mean of its divisors is an integer number (17335220).

Almost surely, 2^1045519860 is an apocalyptic number.

1045519860 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 1045519860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1872203760).

1045519860 is an abundant number, since it is smaller than the sum of its proper divisors (2698887660).

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

1045519860 is a wasteful number, since it uses less digits than its factorization.

1045519860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987 (or 2967 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 1045519860 is about 32334.4995322334. The cubic root of 1045519860 is about 1014.9487092592.

It can be divided in two parts, 104551 and 9860, that added together give a palindrome (114411).

The spelling of 1045519860 in words is "one billion, forty-five million, five hundred nineteen thousand, eight hundred sixty".