1045551045 has 64 divisors (see below), whose sum is σ = 2136637440. Its totient is φ = 423897600.

The previous prime is 1045551011. The next prime is 1045551061. The reversal of 1045551045 is 5401555401.

It is not a de Polignac number, because 1045551045 - 2⁸ = 1045550789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36316 + ... + 58394.

It is an arithmetic number, because the mean of its divisors is an integer number (33384960).

Almost surely, 2^1045551045 is an apocalyptic number.

1045551045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1045551045 is an abundant number, since it is smaller than the sum of its proper divisors (1091086395).

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

1045551045 is a wasteful number, since it uses less digits than its factorization.

1045551045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22146.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 1045551045 is about 32334.9817535127. The cubic root of 1045551045 is about 1014.9588002075.

The spelling of 1045551045 in words is "one billion, forty-five million, five hundred fifty-one thousand, forty-five".