42246154 has 16 divisors (see below), whose sum is σ = 65096136. Its totient is φ = 20550400.

The previous prime is 42246151. The next prime is 42246163. The reversal of 42246154 is 45164224.

It can be written as a sum of positive squares in 4 ways, for example, as 25230529 + 17015625 = 5023^2 + 4125^2 .

It is not an unprimeable number, because it can be changed into a prime (42246151) 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 7 ways as a sum of consecutive naturals, for example, 55134 + ... + 55894.

Almost surely, 2^42246154 is an apocalyptic number.

42246154 is a deficient number, since it is larger than the sum of its proper divisors (22849982).

42246154 is a wasteful number, since it uses less digits than its factorization.

42246154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481.

The product of its digits is 7680, while the sum is 28.

The square root of 42246154 is about 6499.7041471132. The cubic root of 42246154 is about 348.2804198120.

The spelling of 42246154 in words is "forty-two million, two hundred forty-six thousand, one hundred fifty-four".