1045558554 has 16 divisors (see below), whose sum is σ = 2091552960. Its totient is φ = 348446880.

The previous prime is 1045558519. The next prime is 1045558573. The reversal of 1045558554 is 4558555401.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18819 + ... + 49449.

It is an arithmetic number, because the mean of its divisors is an integer number (130722060).

Almost surely, 2^1045558554 is an apocalyptic number.

1045558554 is an abundant number, since it is smaller than the sum of its proper divisors (1045994406).

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

1045558554 is a wasteful number, since it uses less digits than its factorization.

1045558554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36325.

The product of its (nonzero) digits is 400000, while the sum is 42.

The square root of 1045558554 is about 32335.0978659413. The cubic root of 1045558554 is about 1014.9612299653.

The spelling of 1045558554 in words is "one billion, forty-five million, five hundred fifty-eight thousand, five hundred fifty-four".