142445995 has 8 divisors (see below), whose sum is σ = 173277216. Its totient is φ = 112395456.

The previous prime is 142445993. The next prime is 142446019. The reversal of 142445995 is 599544241.

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 142445995 - 2¹ = 142445993 is a prime.

It is a super-2 number, since 2×142445995² = 40581722983080050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142445993) 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, 194767 + ... + 195496.

It is an arithmetic number, because the mean of its divisors is an integer number (21659652).

Almost surely, 2^142445995 is an apocalyptic number.

142445995 is a deficient number, since it is larger than the sum of its proper divisors (30831221).

142445995 is an equidigital number, since it uses as much as digits as its factorization.

142445995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390341.

The product of its digits is 259200, while the sum is 43.

The square root of 142445995 is about 11935.0741514244. The cubic root of 142445995 is about 522.2559714537.

The spelling of 142445995 in words is "one hundred forty-two million, four hundred forty-five thousand, nine hundred ninety-five".