154443442 has 16 divisors (see below), whose sum is σ = 236045952. Its totient is φ = 75770640.

The previous prime is 154443409. The next prime is 154443449. The reversal of 154443442 is 244344451.

154443442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (154443449) 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, 34188 + ... + 38440.

It is an arithmetic number, because the mean of its divisors is an integer number (14752872).

Almost surely, 2^154443442 is an apocalyptic number.

154443442 is a deficient number, since it is larger than the sum of its proper divisors (81602510).

154443442 is a wasteful number, since it uses less digits than its factorization.

154443442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4593.

The product of its digits is 30720, while the sum is 31.

The square root of 154443442 is about 12427.5275899915. The cubic root of 154443442 is about 536.5248279832.

Adding to 154443442 its reverse (244344451), we get a palindrome (398787893).

The spelling of 154443442 in words is "one hundred fifty-four million, four hundred forty-three thousand, four hundred forty-two".