142706770 has 8 divisors (see below), whose sum is σ = 256872204. Its totient is φ = 57082704.

The previous prime is 142706749. The next prime is 142706771. The reversal of 142706770 is 77607241.

It can be written as a sum of positive squares in 2 ways, for example, as 123232201 + 19474569 = 11101^2 + 4413^2 .

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

It is not an unprimeable number, because it can be changed into a prime (142706771) 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, 7135329 + ... + 7135348.

Almost surely, 2^142706770 is an apocalyptic number.

142706770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142706770 is a deficient number, since it is larger than the sum of its proper divisors (114165434).

142706770 is a wasteful number, since it uses less digits than its factorization.

142706770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14270684.

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 142706770 is about 11945.9938891664. The cubic root of 142706770 is about 522.5744740955.

The spelling of 142706770 in words is "one hundred forty-two million, seven hundred six thousand, seven hundred seventy".