142611157 has 12 divisors (see below), whose sum is σ = 155048580. Its totient is φ = 131109888.

The previous prime is 142611151. The next prime is 142611173. The reversal of 142611157 is 751116241.

It can be written as a sum of positive squares in 6 ways, for example, as 10797796 + 131813361 = 3286^2 + 11481^2 .

It is not a de Polignac number, because 142611157 - 2³ = 142611149 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 (142611151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43893 + ... + 47029.

It is an arithmetic number, because the mean of its divisors is an integer number (12920715).

Almost surely, 2^142611157 is an apocalyptic number.

It is an amenable number.

142611157 is a deficient number, since it is larger than the sum of its proper divisors (12437423).

142611157 is a wasteful number, since it uses less digits than its factorization.

142611157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432 (or 3419 counting only the distinct ones).

The product of its digits is 1680, while the sum is 28.

The square root of 142611157 is about 11941.9913331069. The cubic root of 142611157 is about 522.4577403762.

Adding to 142611157 its reverse (751116241), we get a palindrome (893727398).

The spelling of 142611157 in words is "one hundred forty-two million, six hundred eleven thousand, one hundred fifty-seven".