154342404 has 18 divisors (see below), whose sum is σ = 390143390. Its totient is φ = 51447456.

The previous prime is 154342399. The next prime is 154342481. The reversal of 154342404 is 404243451.

It is a happy number.

154342404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 142850304 + 11492100 = 11952^2 + 3390^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2143609 + ... + 2143680.

Almost surely, 2^154342404 is an apocalyptic number.

It is an amenable number.

154342404 is an abundant number, since it is smaller than the sum of its proper divisors (235800986).

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

154342404 is a wasteful number, since it uses less digits than its factorization.

154342404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4287299 (or 4287294 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 154342404 is about 12423.4618363804. The cubic root of 154342404 is about 536.4078030051.

Adding to 154342404 its reverse (404243451), we get a palindrome (558585855).

The spelling of 154342404 in words is "one hundred fifty-four million, three hundred forty-two thousand, four hundred four".