1045258544 has 30 divisors (see below), whose sum is σ = 2210203404. Its totient is φ = 474922560.

The previous prime is 1045258541. The next prime is 1045258553. The reversal of 1045258544 is 4458525401.

It is a happy number.

It is a super-3 number, since 3×1045258544³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1045258498 and 1045258507.

It is not an unprimeable number, because it can be changed into a prime (1045258541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 427694 + ... + 430130.

Almost surely, 2^1045258544 is an apocalyptic number.

It is an amenable number.

1045258544 is an abundant number, since it is smaller than the sum of its proper divisors (1164944860).

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

1045258544 is an frugal number, since it uses more digits than its factorization.

1045258544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4893 (or 2450 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 38.

The square root of 1045258544 is about 32330.4584563844. The cubic root of 1045258544 is about 1014.8641438525.

The spelling of 1045258544 in words is "one billion, forty-five million, two hundred fifty-eight thousand, five hundred forty-four".