141785990 has 8 divisors (see below), whose sum is σ = 255214800. Its totient is φ = 56714392.

The previous prime is 141785951. The next prime is 141785993. The reversal of 141785990 is 99587141.

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 (141785993) 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, 7089290 + ... + 7089309.

It is an arithmetic number, because the mean of its divisors is an integer number (31901850).

Almost surely, 2^141785990 is an apocalyptic number.

141785990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

141785990 is a deficient number, since it is larger than the sum of its proper divisors (113428810).

141785990 is a wasteful number, since it uses less digits than its factorization.

141785990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14178606.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 141785990 is about 11907.3922417967. The cubic root of 141785990 is about 521.4481207586.

The spelling of 141785990 in words is "one hundred forty-one million, seven hundred eighty-five thousand, nine hundred ninety".