147818428 has 6 divisors (see below), whose sum is σ = 258682256. Its totient is φ = 73909212.

The previous prime is 147818399. The next prime is 147818513. The reversal of 147818428 is 824818741.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18477300 + ... + 18477307.

Almost surely, 2^147818428 is an apocalyptic number.

It is an amenable number.

147818428 is a deficient number, since it is larger than the sum of its proper divisors (110863828).

147818428 is a wasteful number, since it uses less digits than its factorization.

147818428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36954611 (or 36954609 counting only the distinct ones).

The product of its digits is 114688, while the sum is 43.

The square root of 147818428 is about 12158.0602071219. The cubic root of 147818428 is about 528.7408438261.

The spelling of 147818428 in words is "one hundred forty-seven million, eight hundred eighteen thousand, four hundred twenty-eight".