147942775 has 12 divisors (see below), whose sum is σ = 189775800. Its totient is φ = 114272480.

The previous prime is 147942733. The next prime is 147942787. The reversal of 147942775 is 577249741.

It is not a de Polignac number, because 147942775 - 2¹³ = 147934583 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101305 + ... + 102754.

It is an arithmetic number, because the mean of its divisors is an integer number (15814650).

Almost surely, 2^147942775 is an apocalyptic number.

147942775 is a deficient number, since it is larger than the sum of its proper divisors (41833025).

147942775 is a wasteful number, since it uses less digits than its factorization.

147942775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204098 (or 204093 counting only the distinct ones).

The product of its digits is 493920, while the sum is 46.

The square root of 147942775 is about 12163.1729001934. The cubic root of 147942775 is about 528.8890637545.

The spelling of 147942775 in words is "one hundred forty-seven million, nine hundred forty-two thousand, seven hundred seventy-five".