254515942 has 12 divisors (see below), whose sum is σ = 405553140. Its totient is φ = 119771936.

The previous prime is 254515927. The next prime is 254515949. The reversal of 254515942 is 249515452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254515949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 219592 + ... + 220747.

It is an arithmetic number, because the mean of its divisors is an integer number (33796095).

Almost surely, 2^254515942 is an apocalyptic number.

254515942 is a deficient number, since it is larger than the sum of its proper divisors (151037198).

254515942 is a wasteful number, since it uses less digits than its factorization.

254515942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440375 (or 440358 counting only the distinct ones).

The product of its digits is 72000, while the sum is 37.

The square root of 254515942 is about 15953.5557791986. Note that the first 3 decimals coincide. The cubic root of 254515942 is about 633.7310654697.

The spelling of 254515942 in words is "two hundred fifty-four million, five hundred fifteen thousand, nine hundred forty-two".