45420205129 has 8 divisors (see below), whose sum is σ = 49602998592. Its totient is φ = 41335830480.

The previous prime is 45420205123. The next prime is 45420205153. The reversal of 45420205129 is 92150202454.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45420205129 - 2¹³ = 45420196937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45420205094 and 45420205103.

It is not an unprimeable number, because it can be changed into a prime (45420205123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24603739 + ... + 24605584.

It is an arithmetic number, because the mean of its divisors is an integer number (6200374824).

Almost surely, 2^45420205129 is an apocalyptic number.

It is an amenable number.

45420205129 is a deficient number, since it is larger than the sum of its proper divisors (4182793463).

45420205129 is a wasteful number, since it uses less digits than its factorization.

45420205129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49209407.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 45420205129 in words is "forty-five billion, four hundred twenty million, two hundred five thousand, one hundred twenty-nine".