153431342 has 4 divisors (see below), whose sum is σ = 230147016. Its totient is φ = 76715670.

The previous prime is 153431309. The next prime is 153431357. The reversal of 153431342 is 243134351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243134351 = 7673 ⋅31687.

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 as a sum of consecutive naturals, namely, 38357834 + ... + 38357837.

It is an arithmetic number, because the mean of its divisors is an integer number (57536754).

Almost surely, 2^153431342 is an apocalyptic number.

153431342 is a deficient number, since it is larger than the sum of its proper divisors (76715674).

153431342 is an equidigital number, since it uses as much as digits as its factorization.

153431342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76715673.

The product of its digits is 4320, while the sum is 26.

The square root of 153431342 is about 12386.7405720795. The cubic root of 153431342 is about 535.3502722666.

Adding to 153431342 its reverse (243134351), we get a palindrome (396565693).

The spelling of 153431342 in words is "one hundred fifty-three million, four hundred thirty-one thousand, three hundred forty-two".