1045255000 has 80 divisors (see below), whose sum is σ = 2460150000. Its totient is φ = 416208000.

The previous prime is 1045254989. The next prime is 1045255031. The reversal of 1045255000 is 5525401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1744701 + ... + 1745299.

It is an arithmetic number, because the mean of its divisors is an integer number (30751875).

Almost surely, 2^1045255000 is an apocalyptic number.

1045255000 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 1045255000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1230075000).

1045255000 is an abundant number, since it is smaller than the sum of its proper divisors (1414895000).

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

1045255000 is an equidigital number, since it uses as much as digits as its factorization.

1045255000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 1045255000 is about 32330.4036473410. The cubic root of 1045255000 is about 1014.8629968691.

The spelling of 1045255000 in words is "one billion, forty-five million, two hundred fifty-five thousand".