154243432 has 32 divisors (see below), whose sum is σ = 330969600. Its totient is φ = 66014784.

The previous prime is 154243403. The next prime is 154243457. The reversal of 154243432 is 234342451.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 154243432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55369 + ... + 58087.

It is an arithmetic number, because the mean of its divisors is an integer number (10342800).

Almost surely, 2^154243432 is an apocalyptic number.

It is an amenable number.

154243432 is an abundant number, since it is smaller than the sum of its proper divisors (176726168).

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

154243432 is a wasteful number, since it uses less digits than its factorization.

154243432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745 (or 3741 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 154243432 is about 12419.4779278358. The cubic root of 154243432 is about 536.2931213977.

Adding to 154243432 its reverse (234342451), we get a palindrome (388585883).

The spelling of 154243432 in words is "one hundred fifty-four million, two hundred forty-three thousand, four hundred thirty-two".