275457542 has 4 divisors (see below), whose sum is σ = 413186316. Its totient is φ = 137728770.

The previous prime is 275457541. The next prime is 275457577. The reversal of 275457542 is 245754572.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 275457542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275457541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68864384 + ... + 68864387.

It is an arithmetic number, because the mean of its divisors is an integer number (103296579).

Almost surely, 2^275457542 is an apocalyptic number.

275457542 is a deficient number, since it is larger than the sum of its proper divisors (137728774).

275457542 is a wasteful number, since it uses less digits than its factorization.

275457542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137728773.

The product of its digits is 392000, while the sum is 41.

The square root of 275457542 is about 16596.9136287444. The cubic root of 275457542 is about 650.6561752378.

The spelling of 275457542 in words is "two hundred seventy-five million, four hundred fifty-seven thousand, five hundred forty-two".