1045915254 has 60 divisors (see below), whose sum is σ = 2367795276. Its totient is φ = 346499532.

The previous prime is 1045915229. The next prime is 1045915261. The reversal of 1045915254 is 4525195401.

1045915254 is a `hidden beast` number, since 1 + 0 + 45 + 91 + 525 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 6416577 + ... + 6416739.

Almost surely, 2^1045915254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1045915254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1183897638).

1045915254 is an abundant number, since it is smaller than the sum of its proper divisors (1321880022).

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

1045915254 is an frugal number, since it uses more digits than its factorization.

1045915254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 1045915254 is about 32340.6130739663. The cubic root of 1045915254 is about 1015.0766373415.

It can be divided in two parts, 104591525 and 4, that added together give a square (104591529 = 10227²).

The spelling of 1045915254 in words is "one billion, forty-five million, nine hundred fifteen thousand, two hundred fifty-four".