274357145 has 4 divisors (see below), whose sum is σ = 329228580. Its totient is φ = 219485712.

The previous prime is 274357091. The next prime is 274357147. The reversal of 274357145 is 541753472.

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

It can be written as a sum of positive squares in 2 ways, for example, as 157954624 + 116402521 = 12568^2 + 10789^2 .

It is a cyclic number.

It is not a de Polignac number, because 274357145 - 2¹⁶ = 274291609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 274357099 and 274357108.

It is not an unprimeable number, because it can be changed into a prime (274357147) 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, 27435710 + ... + 27435719.

It is an arithmetic number, because the mean of its divisors is an integer number (82307145).

Almost surely, 2^274357145 is an apocalyptic number.

It is an amenable number.

274357145 is a deficient number, since it is larger than the sum of its proper divisors (54871435).

274357145 is an equidigital number, since it uses as much as digits as its factorization.

274357145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54871434.

The product of its digits is 117600, while the sum is 38.

The square root of 274357145 is about 16563.7298033988. The cubic root of 274357145 is about 649.7886058137.

The spelling of 274357145 in words is "two hundred seventy-four million, three hundred fifty-seven thousand, one hundred forty-five".