402201445 has 8 divisors (see below), whose sum is σ = 482799744. Its totient is φ = 321655824.

The previous prime is 402201427. The next prime is 402201461. The reversal of 402201445 is 544102204.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402201445 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6232 + ... + 29038.

It is an arithmetic number, because the mean of its divisors is an integer number (60349968).

Almost surely, 2^402201445 is an apocalyptic number.

It is an amenable number.

402201445 is a deficient number, since it is larger than the sum of its proper divisors (80598299).

402201445 is a wasteful number, since it uses less digits than its factorization.

402201445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26339.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 402201445 is about 20054.9606082884. The cubic root of 402201445 is about 738.1555263273.

Adding to 402201445 its reverse (544102204), we get a palindrome (946303649).

The spelling of 402201445 in words is "four hundred two million, two hundred one thousand, four hundred forty-five".