142745626 has 8 divisors (see below), whose sum is σ = 214270164. Its totient is φ = 71322240.

The previous prime is 142745621. The next prime is 142745663. The reversal of 142745626 is 626547241.

It can be written as a sum of positive squares in 2 ways, for example, as 142444225 + 301401 = 11935^2 + 549^2 .

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

It is not an unprimeable number, because it can be changed into a prime (142745621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21655 + ... + 27466.

Almost surely, 2^142745626 is an apocalyptic number.

142745626 is a deficient number, since it is larger than the sum of its proper divisors (71524538).

142745626 is a wasteful number, since it uses less digits than its factorization.

142745626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50576.

The product of its digits is 80640, while the sum is 37.

The square root of 142745626 is about 11947.6200977433. The cubic root of 142745626 is about 522.6218984075.

It can be divided in two parts, 14274 and 5626, that added together give a triangular number (19900 = T₁₉₉).

The spelling of 142745626 in words is "one hundred forty-two million, seven hundred forty-five thousand, six hundred twenty-six".