47105142 has 32 divisors (see below), whose sum is σ = 113337600. Its totient is φ = 12750048.

The previous prime is 47105131. The next prime is 47105153. The reversal of 47105142 is 24150174.

It is an interprime number because it is at equal distance from previous prime (47105131) and next prime (47105153).

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, 28717 + ... + 30312.

It is an arithmetic number, because the mean of its divisors is an integer number (3541800).

Almost surely, 2^47105142 is an apocalyptic number.

47105142 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

47105142 is an abundant number, since it is smaller than the sum of its proper divisors (66232458).

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

47105142 is a wasteful number, since it uses less digits than its factorization.

47105142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59060.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 47105142 is about 6863.3185850578. The cubic root of 47105142 is about 361.1515134037.

The spelling of 47105142 in words is "forty-seven million, one hundred five thousand, one hundred forty-two".