153424442 has 16 divisors (see below), whose sum is σ = 239115240. Its totient is φ = 73742592.

The previous prime is 153424441. The next prime is 153424451. The reversal of 153424442 is 244424351.

It can be written as a sum of positive squares in 4 ways, for example, as 96255721 + 57168721 = 9811^2 + 7561^2 .

It is a super-2 number, since 2×153424442² = 47078118806022728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (153424441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7838 + ... + 19190.

Almost surely, 2^153424442 is an apocalyptic number.

153424442 is a deficient number, since it is larger than the sum of its proper divisors (85690798).

153424442 is a wasteful number, since it uses less digits than its factorization.

153424442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11617.

The product of its digits is 15360, while the sum is 29.

The square root of 153424442 is about 12386.4620453138. The cubic root of 153424442 is about 535.3422470218.

Adding to 153424442 its reverse (244424351), we get a palindrome (397848793).

Subtracting 153424442 from its reverse (244424351), we obtain a palindrome (90999909).

The spelling of 153424442 in words is "one hundred fifty-three million, four hundred twenty-four thousand, four hundred forty-two".