146118442 has 4 divisors (see below), whose sum is σ = 219177666. Its totient is φ = 73059220.

The previous prime is 146118433. The next prime is 146118449. The reversal of 146118442 is 244811641.

146118442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 124300201 + 21818241 = 11149^2 + 4671^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (146118449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36529609 + ... + 36529612.

Almost surely, 2^146118442 is an apocalyptic number.

146118442 is a deficient number, since it is larger than the sum of its proper divisors (73059224).

146118442 is an equidigital number, since it uses as much as digits as its factorization.

146118442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73059223.

The product of its digits is 6144, while the sum is 31.

The square root of 146118442 is about 12087.9461448172. The cubic root of 146118442 is about 526.7060953408.

The spelling of 146118442 in words is "one hundred forty-six million, one hundred eighteen thousand, four hundred forty-two".