153340242 has 16 divisors (see below), whose sum is σ = 334560672. Its totient is φ = 46466720.

The previous prime is 153340211. The next prime is 153340261. The reversal of 153340242 is 242043351.

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, 1161603 + ... + 1161734.

It is an arithmetic number, because the mean of its divisors is an integer number (20910042).

Almost surely, 2^153340242 is an apocalyptic number.

153340242 is an abundant number, since it is smaller than the sum of its proper divisors (181220430).

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

153340242 is a wasteful number, since it uses less digits than its factorization.

153340242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323353.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 153340242 is about 12383.0627067782. The cubic root of 153340242 is about 535.2442963844.

Adding to 153340242 its reverse (242043351), we get a palindrome (395383593).

The spelling of 153340242 in words is "one hundred fifty-three million, three hundred forty thousand, two hundred forty-two".