129050445 has 16 divisors (see below), whose sum is σ = 208802880. Its totient is φ = 68052864.

The previous prime is 129050429. The next prime is 129050459. The reversal of 129050445 is 544050921.

It is not a de Polignac number, because 129050445 - 2⁴ = 129050429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46999 + ... + 49668.

It is an arithmetic number, because the mean of its divisors is an integer number (13050180).

Almost surely, 2^129050445 is an apocalyptic number.

129050445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

129050445 is a deficient number, since it is larger than the sum of its proper divisors (79752435).

129050445 is an equidigital number, since it uses as much as digits as its factorization.

129050445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96764.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 129050445 is about 11360.0371918405. The cubic root of 129050445 is about 505.3432884637.

The spelling of 129050445 in words is "one hundred twenty-nine million, fifty thousand, four hundred forty-five".