142288880290 has 8 divisors (see below), whose sum is σ = 256119984540. Its totient is φ = 56915552112.

The previous prime is 142288880287. The next prime is 142288880299. The reversal of 142288880290 is 92088882241.

It can be written as a sum of positive squares in 2 ways, for example, as 139923127969 + 2365752321 = 374063^2 + 48639^2 .

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

It is a super-2 number, since 2×142288880290² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142288880299) 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, 7114444005 + ... + 7114444024.

Almost surely, 2^142288880290 is an apocalyptic number.

142288880290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142288880290 is a deficient number, since it is larger than the sum of its proper divisors (113831104250).

142288880290 is a wasteful number, since it uses less digits than its factorization.

142288880290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14228888036.

The product of its (nonzero) digits is 1179648, while the sum is 52.

The spelling of 142288880290 in words is "one hundred forty-two billion, two hundred eighty-eight million, eight hundred eighty thousand, two hundred ninety".