45721305129 has 8 divisors (see below), whose sum is σ = 64547724960. Its totient is φ = 28687877696.

The previous prime is 45721305121. The next prime is 45721305137. The reversal of 45721305129 is 92150312754.

It is an interprime number because it is at equal distance from previous prime (45721305121) and next prime (45721305137).

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 45721305129 - 2³ = 45721305121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45721305121) 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, 448248039 + ... + 448248140.

It is an arithmetic number, because the mean of its divisors is an integer number (8068465620).

Almost surely, 2^45721305129 is an apocalyptic number.

It is an amenable number.

45721305129 is a deficient number, since it is larger than the sum of its proper divisors (18826419831).

45721305129 is a wasteful number, since it uses less digits than its factorization.

45721305129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896496199.

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 45721305129 in words is "forty-five billion, seven hundred twenty-one million, three hundred five thousand, one hundred twenty-nine".