142162267 has 4 divisors (see below), whose sum is σ = 153097840. Its totient is φ = 131226696.

The previous prime is 142162259. The next prime is 142162289. The reversal of 142162267 is 762261241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142162267 - 2³ = 142162259 is a prime.

It is a super-2 number, since 2×142162267² = 40420220317158578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142162067) 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, 5467767 + ... + 5467792.

It is an arithmetic number, because the mean of its divisors is an integer number (38274460).

Almost surely, 2^142162267 is an apocalyptic number.

142162267 is a deficient number, since it is larger than the sum of its proper divisors (10935573).

142162267 is a wasteful number, since it uses less digits than its factorization.

142162267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10935572.

The product of its digits is 8064, while the sum is 31.

The square root of 142162267 is about 11923.1819159149. The cubic root of 142162267 is about 521.9089928591.

It can be divided in two parts, 142 and 162267, that added together give a square (162409 = 403²).

The spelling of 142162267 in words is "one hundred forty-two million, one hundred sixty-two thousand, two hundred sixty-seven".