274212545 has 16 divisors (see below), whose sum is σ = 341035920. Its totient is φ = 211411200.

The previous prime is 274212529. The next prime is 274212559. The reversal of 274212545 is 545212472.

It can be written as a sum of positive squares in 8 ways, for example, as 4464769 + 269747776 = 2113^2 + 16424^2 .

It is not a de Polignac number, because 274212545 - 2⁴ = 274212529 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94415 + ... + 97275.

It is an arithmetic number, because the mean of its divisors is an integer number (21314745).

Almost surely, 2^274212545 is an apocalyptic number.

It is an amenable number.

274212545 is a deficient number, since it is larger than the sum of its proper divisors (66823375).

274212545 is a wasteful number, since it uses less digits than its factorization.

274212545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556.

The product of its digits is 22400, while the sum is 32.

The square root of 274212545 is about 16559.3642691983. The cubic root of 274212545 is about 649.6744286714.

The spelling of 274212545 in words is "two hundred seventy-four million, two hundred twelve thousand, five hundred forty-five".