147665942 has 8 divisors (see below), whose sum is σ = 224618832. Its totient is φ = 72793000.

The previous prime is 147665873. The next prime is 147665971. The reversal of 147665942 is 249566741.

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 = 147665893 and 147665902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519809 + ... + 520092.

It is an arithmetic number, because the mean of its divisors is an integer number (28077354).

Almost surely, 2^147665942 is an apocalyptic number.

147665942 is a deficient number, since it is larger than the sum of its proper divisors (76952890).

147665942 is a wasteful number, since it uses less digits than its factorization.

147665942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039974.

The product of its digits is 362880, while the sum is 44.

The square root of 147665942 is about 12151.7876051221. The cubic root of 147665942 is about 528.5589690826.

The spelling of 147665942 in words is "one hundred forty-seven million, six hundred sixty-five thousand, nine hundred forty-two".