153289242 has 24 divisors (see below), whose sum is σ = 340228980. Its totient is φ = 49849920.

The previous prime is 153289229. The next prime is 153289247. The reversal of 153289242 is 242982351.

It is a happy number.

153289242 is a `hidden beast` number, since 1 + 532 + 89 + 2 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 153289161 + 81 = 12381^2 + 9^2 .

It is a junction number, because it is equal to n+sod(n) for n = 153289197 and 153289206.

It is not an unprimeable number, because it can be changed into a prime (153289247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103117 + ... + 104592.

Almost surely, 2^153289242 is an apocalyptic number.

153289242 is an abundant number, since it is smaller than the sum of its proper divisors (186939738).

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

153289242 is a wasteful number, since it uses less digits than its factorization.

153289242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207758 (or 207755 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 153289242 is about 12381.0032711408. The cubic root of 153289242 is about 535.1849501757.

The spelling of 153289242 in words is "one hundred fifty-three million, two hundred eighty-nine thousand, two hundred forty-two".