45342581556 has 12 divisors (see below), whose sum is σ = 105799356992. Its totient is φ = 15114193848.

The previous prime is 45342581507. The next prime is 45342581569. The reversal of 45342581556 is 65518524354.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×45342581556² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1889274220 + ... + 1889274243.

Almost surely, 2^45342581556 is an apocalyptic number.

It is an amenable number.

45342581556 is an abundant number, since it is smaller than the sum of its proper divisors (60456775436).

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

45342581556 is a wasteful number, since it uses less digits than its factorization.

45342581556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3778548470 (or 3778548468 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 48.

The spelling of 45342581556 in words is "forty-five billion, three hundred forty-two million, five hundred eighty-one thousand, five hundred fifty-six".