538294145 has 16 divisors (see below), whose sum is σ = 658191312. Its totient is φ = 422553600.

The previous prime is 538294123. The next prime is 538294151. The reversal of 538294145 is 541492835.

It can be written as a sum of positive squares in 8 ways, for example, as 7744 + 538286401 = 88^2 + 23201^2 .

It is a de Polignac number, because none of the positive numbers 2^k-538294145 is a prime.

It is a Duffinian 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, 52349 + ... + 61781.

It is an arithmetic number, because the mean of its divisors is an integer number (41136957).

Almost surely, 2^538294145 is an apocalyptic number.

It is an amenable number.

538294145 is a deficient number, since it is larger than the sum of its proper divisors (119897167).

538294145 is a wasteful number, since it uses less digits than its factorization.

538294145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9652.

The product of its digits is 172800, while the sum is 41.

The square root of 538294145 is about 23201.1668887580. The cubic root of 538294145 is about 813.4668984529.

The spelling of 538294145 in words is "five hundred thirty-eight million, two hundred ninety-four thousand, one hundred forty-five".