153223642 has 64 divisors (see below), whose sum is σ = 281957760. Its totient is φ = 61516800.

The previous prime is 153223633. The next prime is 153223661. The reversal of 153223642 is 246322351.

It is a self number, because there is not a number n which added to its sum of digits gives 153223642.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 855909 + ... + 856087.

It is an arithmetic number, because the mean of its divisors is an integer number (4405590).

Almost surely, 2^153223642 is an apocalyptic number.

153223642 is a deficient number, since it is larger than the sum of its proper divisors (128734118).

153223642 is a wasteful number, since it uses less digits than its factorization.

153223642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319.

The product of its digits is 8640, while the sum is 28.

The square root of 153223642 is about 12378.3537677673. The cubic root of 153223642 is about 535.1085953021.

Adding to 153223642 its reverse (246322351), we get a palindrome (399545993).

The spelling of 153223642 in words is "one hundred fifty-three million, two hundred twenty-three thousand, six hundred forty-two".