142953634 has 16 divisors (see below), whose sum is σ = 219996000. Its totient is φ = 69627040.

The previous prime is 142953571. The next prime is 142953647. The reversal of 142953634 is 436359241.

It is a junction number, because it is equal to n+sod(n) for n = 142953593 and 142953602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94617 + ... + 96115.

It is an arithmetic number, because the mean of its divisors is an integer number (13749750).

Almost surely, 2^142953634 is an apocalyptic number.

142953634 is a deficient number, since it is larger than the sum of its proper divisors (77042366).

142953634 is a wasteful number, since it uses less digits than its factorization.

142953634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705.

The product of its digits is 77760, while the sum is 37.

The square root of 142953634 is about 11956.3219260774. The cubic root of 142953634 is about 522.8756289490.

The spelling of 142953634 in words is "one hundred forty-two million, nine hundred fifty-three thousand, six hundred thirty-four".