45049638001 has 9 divisors (see below), whose sum is σ = 47549719353. Its totient is φ = 42674783940.

The previous prime is 45049637977. The next prime is 45049638031. The reversal of 45049638001 is 10083694054.

The square root of 45049638001 is 212249.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 45049638001 - 2²⁷ = 44915420273 is a prime.

It is a super-2 number, since 2×45049638001² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45049638031) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4027146 + ... + 4038316.

Almost surely, 2^45049638001 is an apocalyptic number.

45049638001 is the 212249-th square number.

45049638001 is the 106125-th centered octagonal number.

It is an amenable number.

45049638001 is a deficient number, since it is larger than the sum of its proper divisors (2500081352).

45049638001 is an frugal number, since it uses more digits than its factorization.

45049638001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22380 (or 11190 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 45049638001 in words is "forty-five billion, forty-nine million, six hundred thirty-eight thousand, one".