1043551545 has 24 divisors (see below), whose sum is σ = 1773683904. Its totient is φ = 523819776.

The previous prime is 1043551541. The next prime is 1043551559. The reversal of 1043551545 is 5451553401.

It is not a de Polignac number, because 1043551545 - 2² = 1043551541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1043551541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116029 + ... + 124698.

It is an arithmetic number, because the mean of its divisors is an integer number (73903496).

Almost surely, 2^1043551545 is an apocalyptic number.

1043551545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1043551545 is a deficient number, since it is larger than the sum of its proper divisors (730132359).

1043551545 is a wasteful number, since it uses less digits than its factorization.

1043551545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240769 (or 240752 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 1043551545 is about 32304.0484304986. The cubic root of 1043551545 is about 1014.3113887522.

The spelling of 1043551545 in words is "one billion, forty-three million, five hundred fifty-one thousand, five hundred forty-five".