142854887990 has 8 divisors (see below), whose sum is σ = 257138798400. Its totient is φ = 57141955192.

The previous prime is 142854887963. The next prime is 142854887999. The reversal of 142854887990 is 99788458241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142854887999) 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, 7142744390 + ... + 7142744409.

It is an arithmetic number, because the mean of its divisors is an integer number (32142349800).

Almost surely, 2^142854887990 is an apocalyptic number.

142854887990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142854887990 is a deficient number, since it is larger than the sum of its proper divisors (114283910410).

142854887990 is a wasteful number, since it uses less digits than its factorization.

142854887990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14285488806.

The product of its (nonzero) digits is 46448640, while the sum is 65.

The spelling of 142854887990 in words is "one hundred forty-two billion, eight hundred fifty-four million, eight hundred eighty-seven thousand, nine hundred ninety".