279484045 has 16 divisors (see below), whose sum is σ = 340927488. Its totient is φ = 219905280.

The previous prime is 279484039. The next prime is 279484057. The reversal of 279484045 is 540484972.

It is not a de Polignac number, because 279484045 - 2¹⁷ = 279352973 is a prime.

It is a super-2 number, since 2×279484045² = 156222662819124050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 279483992 and 279484010.

It is a congruent 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, 214837 + ... + 216133.

It is an arithmetic number, because the mean of its divisors is an integer number (21307968).

Almost surely, 2^279484045 is an apocalyptic number.

It is an amenable number.

279484045 is a deficient number, since it is larger than the sum of its proper divisors (61443443).

279484045 is a wasteful number, since it uses less digits than its factorization.

279484045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 279484045 is about 16717.7763174413. The cubic root of 279484045 is about 653.8111761486.

The spelling of 279484045 in words is "two hundred seventy-nine million, four hundred eighty-four thousand, forty-five".