274248146 has 4 divisors (see below), whose sum is σ = 411372222. Its totient is φ = 137124072.

The previous prime is 274248137. The next prime is 274248151. The reversal of 274248146 is 641842472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 205606921 + 68641225 = 14339^2 + 8285^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68562035 + ... + 68562038.

Almost surely, 2^274248146 is an apocalyptic number.

274248146 is a deficient number, since it is larger than the sum of its proper divisors (137124076).

274248146 is a wasteful number, since it uses less digits than its factorization.

274248146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137124075.

The product of its digits is 86016, while the sum is 38.

The square root of 274248146 is about 16560.4391849975. The cubic root of 274248146 is about 649.7025431868.

The spelling of 274248146 in words is "two hundred seventy-four million, two hundred forty-eight thousand, one hundred forty-six".