29105142 has 16 divisors (see below), whose sum is σ = 63502272. Its totient is φ = 8819720.

The previous prime is 29105123. The next prime is 29105149. The reversal of 29105142 is 24150192.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29105149) 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, 220428 + ... + 220559.

It is an arithmetic number, because the mean of its divisors is an integer number (3968892).

Almost surely, 2^29105142 is an apocalyptic number.

29105142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

29105142 is an abundant number, since it is smaller than the sum of its proper divisors (34397130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29105142 is a wasteful number, since it uses less digits than its factorization.

29105142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441003.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 29105142 is about 5394.9181643469. The cubic root of 29105142 is about 307.6025330624.

The spelling of 29105142 in words is "twenty-nine million, one hundred five thousand, one hundred forty-two".