154542232 has 32 divisors (see below), whose sum is σ = 312984000. Its totient is φ = 71115264.

The previous prime is 154542203. The next prime is 154542233. The reversal of 154542232 is 232245451.

It is a self number, because there is not a number n which added to its sum of digits gives 154542232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154542233) 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, 36144 + ... + 40192.

It is an arithmetic number, because the mean of its divisors is an integer number (9780750).

Almost surely, 2^154542232 is an apocalyptic number.

It is an amenable number.

154542232 is an abundant number, since it is smaller than the sum of its proper divisors (158441768).

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

154542232 is a wasteful number, since it uses less digits than its factorization.

154542232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4435 (or 4431 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 154542232 is about 12431.5015987611. The cubic root of 154542232 is about 536.6391999282.

Adding to 154542232 its reverse (232245451), we get a palindrome (386787683).

The spelling of 154542232 in words is "one hundred fifty-four million, five hundred forty-two thousand, two hundred thirty-two".