45405610545 has 32 divisors (see below), whose sum is σ = 73960653312. Its totient is φ = 23781952512.

The previous prime is 45405610513. The next prime is 45405610559. The reversal of 45405610545 is 54501650454.

It is not a de Polignac number, because 45405610545 - 2⁵ = 45405610513 is a prime.

It is a super-3 number, since 3×45405610545³ (a number of 33 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166152 + ... + 344118.

It is an arithmetic number, because the mean of its divisors is an integer number (2311270416).

Almost surely, 2^45405610545 is an apocalyptic number.

It is an amenable number.

45405610545 is a deficient number, since it is larger than the sum of its proper divisors (28555042767).

45405610545 is a wasteful number, since it uses less digits than its factorization.

45405610545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178281.

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 45405610545 in words is "forty-five billion, four hundred five million, six hundred ten thousand, five hundred forty-five".