142486154 has 16 divisors (see below), whose sum is σ = 219934440. Its totient is φ = 69201600.

The previous prime is 142486151. The next prime is 142486171. The reversal of 142486154 is 451684241.

It can be written as a sum of positive squares in 4 ways, for example, as 127080529 + 15405625 = 11273^2 + 3925^2 .

It is not an unprimeable number, because it can be changed into a prime (142486151) 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, 4052 + ... + 17360.

Almost surely, 2^142486154 is an apocalyptic number.

142486154 is a deficient number, since it is larger than the sum of its proper divisors (77448286).

142486154 is a wasteful number, since it uses less digits than its factorization.

142486154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13465.

The product of its digits is 30720, while the sum is 35.

The square root of 142486154 is about 11936.7564271036. The cubic root of 142486154 is about 522.3050457406.

It can be divided in two parts, 14248 and 6154, that added together give a palindrome (20402).

The spelling of 142486154 in words is "one hundred forty-two million, four hundred eighty-six thousand, one hundred fifty-four".