142424157 has 8 divisors (see below), whose sum is σ = 190883584. Its totient is φ = 94457088.

The previous prime is 142424141. The next prime is 142424159. The reversal of 142424157 is 751424241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142424157 - 2⁴ = 142424141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142424159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122413 + ... + 123570.

It is an arithmetic number, because the mean of its divisors is an integer number (23860448).

Almost surely, 2^142424157 is an apocalyptic number.

It is an amenable number.

142424157 is a deficient number, since it is larger than the sum of its proper divisors (48459427).

142424157 is a wasteful number, since it uses less digits than its factorization.

142424157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246179.

The product of its digits is 8960, while the sum is 30.

The square root of 142424157 is about 11934.1592498173. The cubic root of 142424157 is about 522.2292815520.

Adding to 142424157 its reverse (751424241), we get a palindrome (893848398).

The spelling of 142424157 in words is "one hundred forty-two million, four hundred twenty-four thousand, one hundred fifty-seven".