442283545 has 32 divisors (see below), whose sum is σ = 591162624. Its totient is φ = 314976000.

The previous prime is 442283531. The next prime is 442283551. The reversal of 442283545 is 545382244.

It is a de Polignac number, because none of the positive numbers 2^k-442283545 is a prime.

It is a super-2 number, since 2×442283545² = 391229468355534050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 571779 + ... + 572551.

It is an arithmetic number, because the mean of its divisors is an integer number (18473832).

Almost surely, 2^442283545 is an apocalyptic number.

It is an amenable number.

442283545 is a deficient number, since it is larger than the sum of its proper divisors (148879079).

442283545 is a wasteful number, since it uses less digits than its factorization.

442283545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993.

The product of its digits is 153600, while the sum is 37.

The square root of 442283545 is about 21030.5383906357. The cubic root of 442283545 is about 761.9040122912.

The spelling of 442283545 in words is "four hundred forty-two million, two hundred eighty-three thousand, five hundred forty-five".