142470761 has 8 divisors (see below), whose sum is σ = 155718144. Its totient is φ = 129764160.

The previous prime is 142470751. The next prime is 142470793. The reversal of 142470761 is 167074241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142470761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142470751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134645 + ... + 135698.

It is an arithmetic number, because the mean of its divisors is an integer number (19464768).

Almost surely, 2^142470761 is an apocalyptic number.

It is an amenable number.

142470761 is a deficient number, since it is larger than the sum of its proper divisors (13247383).

142470761 is a wasteful number, since it uses less digits than its factorization.

142470761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270391.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 142470761 is about 11936.1116365423. Note that the first 3 decimals coincide. The cubic root of 142470761 is about 522.2862365888.

The spelling of 142470761 in words is "one hundred forty-two million, four hundred seventy thousand, seven hundred sixty-one".