153431942 has 16 divisors (see below), whose sum is σ = 240662880. Its totient is φ = 73225152.

The previous prime is 153431939. The next prime is 153431947. The reversal of 153431942 is 249134351.

It is a junction number, because it is equal to n+sod(n) for n = 153431899 and 153431908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153431947) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20138 + ... + 26690.

It is an arithmetic number, because the mean of its divisors is an integer number (15041430).

Almost surely, 2^153431942 is an apocalyptic number.

153431942 is a deficient number, since it is larger than the sum of its proper divisors (87230938).

153431942 is a wasteful number, since it uses less digits than its factorization.

153431942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7087.

The product of its digits is 12960, while the sum is 32.

The square root of 153431942 is about 12386.7647915023. The cubic root of 153431942 is about 535.3509701026.

The spelling of 153431942 in words is "one hundred fifty-three million, four hundred thirty-one thousand, nine hundred forty-two".