303400542 has 16 divisors (see below), whose sum is σ = 607500432. Its totient is φ = 101016960.

The previous prime is 303400541. The next prime is 303400549. The reversal of 303400542 is 245004303.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303400541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23413 + ... + 33984.

It is an arithmetic number, because the mean of its divisors is an integer number (37968777).

Almost surely, 2^303400542 is an apocalyptic number.

303400542 is an abundant number, since it is smaller than the sum of its proper divisors (304099890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

303400542 is a wasteful number, since it uses less digits than its factorization.

303400542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58283.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 303400542 is about 17418.3966541126. The cubic root of 303400542 is about 671.9528249551.

Adding to 303400542 its reverse (245004303), we get a palindrome (548404845).

The spelling of 303400542 in words is "three hundred three million, four hundred thousand, five hundred forty-two".