142760947 has 8 divisors (see below), whose sum is σ = 163245152. Its totient is φ = 122299200.

The previous prime is 142760941. The next prime is 142760963. The reversal of 142760947 is 749067241.

142760947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 142760947 - 2²³ = 134372339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142760941) 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, 11497 + ... + 20437.

It is an arithmetic number, because the mean of its divisors is an integer number (20405644).

Almost surely, 2^142760947 is an apocalyptic number.

142760947 is a deficient number, since it is larger than the sum of its proper divisors (20484205).

142760947 is an equidigital number, since it uses as much as digits as its factorization.

142760947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11229.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 142760947 is about 11948.2612542579. The cubic root of 142760947 is about 522.6405955447.

The spelling of 142760947 in words is "one hundred forty-two million, seven hundred sixty thousand, nine hundred forty-seven".