445340542 has 8 divisors (see below), whose sum is σ = 677419632. Its totient is φ = 219534000.

The previous prime is 445340531. The next prime is 445340561. The reversal of 445340542 is 245043544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1567959 + ... + 1568242.

It is an arithmetic number, because the mean of its divisors is an integer number (84677454).

Almost surely, 2^445340542 is an apocalyptic number.

445340542 is a deficient number, since it is larger than the sum of its proper divisors (232079090).

445340542 is a wasteful number, since it uses less digits than its factorization.

445340542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3136274.

The product of its (nonzero) digits is 38400, while the sum is 31.

The square root of 445340542 is about 21103.0931855972. The cubic root of 445340542 is about 763.6553718736.

The spelling of 445340542 in words is "four hundred forty-five million, three hundred forty thousand, five hundred forty-two".