45781129 has 4 divisors (see below), whose sum is σ = 45797584. Its totient is φ = 45764676.

The previous prime is 45781123. The next prime is 45781157. The reversal of 45781129 is 92118754.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45781129 - 2³ = 45781121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45781121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2907 + ... + 10000.

It is an arithmetic number, because the mean of its divisors is an integer number (11449396).

Almost surely, 2^45781129 is an apocalyptic number.

It is an amenable number.

45781129 is a deficient number, since it is larger than the sum of its proper divisors (16455).

45781129 is a wasteful number, since it uses less digits than its factorization.

45781129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16454.

The product of its digits is 20160, while the sum is 37.

The square root of 45781129 is about 6766.1753598322. The cubic root of 45781129 is about 357.7356042268.

The spelling of 45781129 in words is "forty-five million, seven hundred eighty-one thousand, one hundred twenty-nine".