142307629 has 4 divisors (see below), whose sum is σ = 150678684. Its totient is φ = 133936576.

The previous prime is 142307623. The next prime is 142307651. The reversal of 142307629 is 926703241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 123254404 + 19053225 = 11102^2 + 4365^2 .

It is a cyclic number.

It is not a de Polignac number, because 142307629 - 2³ = 142307621 is a prime.

It is a super-2 number, since 2×142307629² = 40502922543203282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142307594 and 142307603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142307621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4185502 + ... + 4185535.

It is an arithmetic number, because the mean of its divisors is an integer number (37669671).

Almost surely, 2^142307629 is an apocalyptic number.

It is an amenable number.

142307629 is a deficient number, since it is larger than the sum of its proper divisors (8371055).

142307629 is an equidigital number, since it uses as much as digits as its factorization.

142307629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8371054.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 142307629 is about 11929.2761305957. The cubic root of 142307629 is about 522.0868175697.

The spelling of 142307629 in words is "one hundred forty-two million, three hundred seven thousand, six hundred twenty-nine".