153556142 has 32 divisors (see below), whose sum is σ = 250048512. Its totient is φ = 70529184.

The previous prime is 153556129. The next prime is 153556159. The reversal of 153556142 is 241655351.

It is a junction number, because it is equal to n+sod(n) for n = 153556099 and 153556108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140723 + ... + 141809.

It is an arithmetic number, because the mean of its divisors is an integer number (7814016).

Almost surely, 2^153556142 is an apocalyptic number.

153556142 is a deficient number, since it is larger than the sum of its proper divisors (96492370).

153556142 is a wasteful number, since it uses less digits than its factorization.

153556142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232.

The product of its digits is 18000, while the sum is 32.

The square root of 153556142 is about 12391.7771929615. Note that the first 3 decimals coincide. The cubic root of 153556142 is about 535.4953830081.

The spelling of 153556142 in words is "one hundred fifty-three million, five hundred fifty-six thousand, one hundred forty-two".