144056642 has 8 divisors (see below), whose sum is σ = 219747600. Its totient is φ = 70807444.

The previous prime is 144056621. The next prime is 144056699. The reversal of 144056642 is 246650441.

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

It is a super-2 number, since 2×144056642² = 41504632208632328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144056599 and 144056608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610292 + ... + 610527.

It is an arithmetic number, because the mean of its divisors is an integer number (27468450).

Almost surely, 2^144056642 is an apocalyptic number.

144056642 is a deficient number, since it is larger than the sum of its proper divisors (75690958).

144056642 is a wasteful number, since it uses less digits than its factorization.

144056642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220880.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 144056642 is about 12002.3598512959. The cubic root of 144056642 is about 524.2169939228.

The spelling of 144056642 in words is "one hundred forty-four million, fifty-six thousand, six hundred forty-two".