274851145 has 8 divisors (see below), whose sum is σ = 329946120. Its totient is φ = 219797760.

The previous prime is 274851119. The next prime is 274851217. The reversal of 274851145 is 541158472.

It can be written as a sum of positive squares in 4 ways, for example, as 219961 + 274631184 = 469^2 + 16572^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 274851145 - 2¹¹ = 274849097 is a prime.

It is a super-2 number, since 2×274851145² = 151086303815622050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6705 + ... + 24385.

It is an arithmetic number, because the mean of its divisors is an integer number (41243265).

Almost surely, 2^274851145 is an apocalyptic number.

It is an amenable number.

274851145 is a deficient number, since it is larger than the sum of its proper divisors (55094975).

274851145 is a wasteful number, since it uses less digits than its factorization.

274851145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20795.

The product of its digits is 44800, while the sum is 37.

The square root of 274851145 is about 16578.6351971445. The cubic root of 274851145 is about 650.1783691944.

The spelling of 274851145 in words is "two hundred seventy-four million, eight hundred fifty-one thousand, one hundred forty-five".