1045545240 has 64 divisors (see below), whose sum is σ = 3140904960. Its totient is φ = 278432640.

The previous prime is 1045545239. The next prime is 1045545283. The reversal of 1045545240 is 425455401.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1045545198 and 1045545207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88905 + ... + 99975.

It is an arithmetic number, because the mean of its divisors is an integer number (49076640).

Almost surely, 2^1045545240 is an apocalyptic number.

1045545240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045545240 is an abundant number, since it is smaller than the sum of its proper divisors (2095359720).

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

1045545240 is a wasteful number, since it uses less digits than its factorization.

1045545240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11872 (or 11868 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 1045545240 is about 32334.8919899232. The cubic root of 1045545240 is about 1014.9569218211.

The spelling of 1045545240 in words is "one billion, forty-five million, five hundred forty-five thousand, two hundred forty".