154431342 has 24 divisors (see below), whose sum is σ = 360340344. Its totient is φ = 47517264.

The previous prime is 154431341. The next prime is 154431353. The reversal of 154431342 is 243134451.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154431341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 329748 + ... + 330215.

It is an arithmetic number, because the mean of its divisors is an integer number (15014181).

Almost surely, 2^154431342 is an apocalyptic number.

154431342 is an abundant number, since it is smaller than the sum of its proper divisors (205909002).

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

154431342 is a wasteful number, since it uses less digits than its factorization.

154431342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659984 (or 659981 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 154431342 is about 12427.0407579600. The cubic root of 154431342 is about 536.5108161226.

Adding to 154431342 its reverse (243134451), we get a palindrome (397565793).

The spelling of 154431342 in words is "one hundred fifty-four million, four hundred thirty-one thousand, three hundred forty-two".