147917942 has 8 divisors (see below), whose sum is σ = 222548232. Its totient is φ = 73735200.

The previous prime is 147917933. The next prime is 147917947. The reversal of 147917942 is 249719741.

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

It is a junction number, because it is equal to n+sod(n) for n = 147917893 and 147917902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147917947) 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, 111059 + ... + 112382.

It is an arithmetic number, because the mean of its divisors is an integer number (27818529).

Almost surely, 2^147917942 is an apocalyptic number.

147917942 is a deficient number, since it is larger than the sum of its proper divisors (74630290).

147917942 is a wasteful number, since it uses less digits than its factorization.

147917942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223774.

The product of its digits is 127008, while the sum is 44.

The square root of 147917942 is about 12162.1520299657. The cubic root of 147917942 is about 528.8594697960.

The spelling of 147917942 in words is "one hundred forty-seven million, nine hundred seventeen thousand, nine hundred forty-two".