312450542 has 4 divisors (see below), whose sum is σ = 468675816. Its totient is φ = 156225270.

The previous prime is 312450539. The next prime is 312450563. The reversal of 312450542 is 245054213.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245054213 = 23 ⋅10654531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78112634 + ... + 78112637.

It is an arithmetic number, because the mean of its divisors is an integer number (117168954).

Almost surely, 2^312450542 is an apocalyptic number.

312450542 is a deficient number, since it is larger than the sum of its proper divisors (156225274).

312450542 is a wasteful number, since it uses less digits than its factorization.

312450542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156225273.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 312450542 is about 17676.2705908232. The cubic root of 312450542 is about 678.5686023489.

The spelling of 312450542 in words is "three hundred twelve million, four hundred fifty thousand, five hundred forty-two".