154200242 has 16 divisors (see below), whose sum is σ = 264771072. Its totient is φ = 65978880.

The previous prime is 154200223. The next prime is 154200259. The reversal of 154200242 is 242002451.

It is a happy number.

154200242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383 + ... + 17565.

It is an arithmetic number, because the mean of its divisors is an integer number (16548192).

Almost surely, 2^154200242 is an apocalyptic number.

154200242 is a deficient number, since it is larger than the sum of its proper divisors (110570830).

154200242 is a wasteful number, since it uses less digits than its factorization.

154200242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17833.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 154200242 is about 12417.7390051490. The cubic root of 154200242 is about 536.2430605688.

Adding to 154200242 its reverse (242002451), we get a palindrome (396202693).

The spelling of 154200242 in words is "one hundred fifty-four million, two hundred thousand, two hundred forty-two".