42011154 has 12 divisors (see below), whose sum is σ = 91024206. Its totient is φ = 14003712.

The previous prime is 42011153. The next prime is 42011161. The reversal of 42011154 is 45111024.

It can be written as a sum of positive squares in only one way, i.e., 32182929 + 9828225 = 5673^2 + 3135^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2333953 = 42011154 / (4 + 2 + 0 + 1 + 1 + 1 + 5 + 4).

It is not an unprimeable number, because it can be changed into a prime (42011153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1166959 + ... + 1166994.

Almost surely, 2^42011154 is an apocalyptic number.

42011154 is an abundant number, since it is smaller than the sum of its proper divisors (49013052).

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

42011154 is a wasteful number, since it uses less digits than its factorization.

42011154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333961 (or 2333958 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 42011154 is about 6481.6011910638. The cubic root of 42011154 is about 347.6334328771.

Adding to 42011154 its reverse (45111024), we get a palindrome (87122178).

The spelling of 42011154 in words is "forty-two million, eleven thousand, one hundred fifty-four".