142051755 has 8 divisors (see below), whose sum is σ = 227282832. Its totient is φ = 75760928.

The previous prime is 142051751. The next prime is 142051787. The reversal of 142051755 is 557150241.

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

It is a cyclic number.

It is not a de Polignac number, because 142051755 - 2² = 142051751 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142051751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4735044 + ... + 4735073.

It is an arithmetic number, because the mean of its divisors is an integer number (28410354).

Almost surely, 2^142051755 is an apocalyptic number.

142051755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142051755 is a deficient number, since it is larger than the sum of its proper divisors (85231077).

142051755 is an equidigital number, since it uses as much as digits as its factorization.

142051755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9470125.

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 142051755 is about 11918.5466815380. The cubic root of 142051755 is about 521.7737198369.

The spelling of 142051755 in words is "one hundred forty-two million, fifty-one thousand, seven hundred fifty-five".