142149622 has 8 divisors (see below), whose sum is σ = 215335872. Its totient is φ = 70371000.

The previous prime is 142149613. The next prime is 142149629. The reversal of 142149622 is 226941241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142149629) 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, 351654 + ... + 352057.

It is an arithmetic number, because the mean of its divisors is an integer number (26916984).

Almost surely, 2^142149622 is an apocalyptic number.

142149622 is a deficient number, since it is larger than the sum of its proper divisors (73186250).

142149622 is a wasteful number, since it uses less digits than its factorization.

142149622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703814.

The product of its digits is 6912, while the sum is 31.

The square root of 142149622 is about 11922.6516345987. The cubic root of 142149622 is about 521.8935182070.

The spelling of 142149622 in words is "one hundred forty-two million, one hundred forty-nine thousand, six hundred twenty-two".