149783387942 has 8 divisors (see below), whose sum is σ = 237891263256. Its totient is φ = 70486300192.

The previous prime is 149783387939. The next prime is 149783387947. The reversal of 149783387942 is 249783387941.

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

It is a super-3 number, since 3×149783387942³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149783387947) 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, 2202696848 + ... + 2202696915.

It is an arithmetic number, because the mean of its divisors is an integer number (29736407907).

Almost surely, 2^149783387942 is an apocalyptic number.

149783387942 is a deficient number, since it is larger than the sum of its proper divisors (88107875314).

149783387942 is a wasteful number, since it uses less digits than its factorization.

149783387942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4405393782.

The product of its digits is 73156608, while the sum is 65.

Subtracting 149783387942 from its reverse (249783387941), we obtain a palindrome (99999999999).

The spelling of 149783387942 in words is "one hundred forty-nine billion, seven hundred eighty-three million, three hundred eighty-seven thousand, nine hundred forty-two".