147774238 has 8 divisors (see below), whose sum is σ = 222068232. Its totient is φ = 73751496.

The previous prime is 147774233. The next prime is 147774239. The reversal of 147774238 is 832477741.

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 = 147774194 and 147774203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147774233) 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, 66445 + ... + 68632.

It is an arithmetic number, because the mean of its divisors is an integer number (27758529).

Almost surely, 2^147774238 is an apocalyptic number.

147774238 is a deficient number, since it is larger than the sum of its proper divisors (74293994).

147774238 is a wasteful number, since it uses less digits than its factorization.

147774238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135626.

The product of its digits is 263424, while the sum is 43.

The square root of 147774238 is about 12156.2427583526. The cubic root of 147774238 is about 528.6881499302.

The spelling of 147774238 in words is "one hundred forty-seven million, seven hundred seventy-four thousand, two hundred thirty-eight".