274071145 has 8 divisors (see below), whose sum is σ = 333048960. Its totient is φ = 216481200.

The previous prime is 274071137. The next prime is 274071169. The reversal of 274071145 is 541170472.

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

It is not a de Polignac number, because 274071145 - 2³ = 274071137 is a prime.

It is a super-2 number, since 2×274071145² = 150229985043222050, 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, 346531 + ... + 347320.

It is an arithmetic number, because the mean of its divisors is an integer number (41631120).

Almost surely, 2^274071145 is an apocalyptic number.

It is an amenable number.

274071145 is a deficient number, since it is larger than the sum of its proper divisors (58977815).

274071145 is an equidigital number, since it uses as much as digits as its factorization.

274071145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693935.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 274071145 is about 16555.0942310819. The cubic root of 274071145 is about 649.5627394476.

The spelling of 274071145 in words is "two hundred seventy-four million, seventy-one thousand, one hundred forty-five".