153550242 has 48 divisors (see below), whose sum is σ = 347649120. Its totient is φ = 50792832.

The previous prime is 153550181. The next prime is 153550247. The reversal of 153550242 is 242055351.

It is a happy number.

153550242 is a `hidden beast` number, since 153 + 5 + 502 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (153550247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66418 + ... + 68690.

It is an arithmetic number, because the mean of its divisors is an integer number (7242690).

Almost surely, 2^153550242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 153550242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173824560).

153550242 is an abundant number, since it is smaller than the sum of its proper divisors (194098878).

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

153550242 is a wasteful number, since it uses less digits than its factorization.

153550242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429 (or 2417 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 153550242 is about 12391.5391295835. The cubic root of 153550242 is about 535.4885245758.

The spelling of 153550242 in words is "one hundred fifty-three million, five hundred fifty thousand, two hundred forty-two".