42104154 has 16 divisors (see below), whose sum is σ = 85797792. Its totient is φ = 13769808.

The previous prime is 42104141. The next prime is 42104159. The reversal of 42104154 is 45140124.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42104154.

It is not an unprimeable number, because it can be changed into a prime (42104159) 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, 65884 + ... + 66519.

It is an arithmetic number, because the mean of its divisors is an integer number (5362362).

Almost surely, 2^42104154 is an apocalyptic number.

42104154 is an abundant number, since it is smaller than the sum of its proper divisors (43693638).

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

42104154 is a wasteful number, since it uses less digits than its factorization.

42104154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132461.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 42104154 is about 6488.7713783119. The cubic root of 42104154 is about 347.8897622822.

Adding to 42104154 its reverse (45140124), we get a palindrome (87244278).

It can be divided in two parts, 42 and 104154, that added together give a triangular number (104196 = T₄₅₆).

The spelling of 42104154 in words is "forty-two million, one hundred four thousand, one hundred fifty-four".