1045556634 has 16 divisors (see below), whose sum is σ = 2091539520. Its totient is φ = 348447840.

The previous prime is 1045556581. The next prime is 1045556647. The reversal of 1045556634 is 4366555401.

It is a junction number, because it is equal to n+sod(n) for n = 1045556592 and 1045556601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20454 + ... + 50094.

It is an arithmetic number, because the mean of its divisors is an integer number (130721220).

Almost surely, 2^1045556634 is an apocalyptic number.

1045556634 is an abundant number, since it is smaller than the sum of its proper divisors (1045982886).

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

1045556634 is a wasteful number, since it uses less digits than its factorization.

1045556634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35525.

The product of its (nonzero) digits is 216000, while the sum is 39.

The square root of 1045556634 is about 32335.0681768262. The cubic root of 1045556634 is about 1014.9606086940.

The spelling of 1045556634 in words is "one billion, forty-five million, five hundred fifty-six thousand, six hundred thirty-four".