401015545 has 8 divisors (see below), whose sum is σ = 549964224. Its totient is φ = 274982064.

The previous prime is 401015513. The next prime is 401015591. The reversal of 401015545 is 545510104.

It is a happy number.

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

It is not a de Polignac number, because 401015545 - 2⁵ = 401015513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5728759 + ... + 5728828.

It is an arithmetic number, because the mean of its divisors is an integer number (68745528).

Almost surely, 2^401015545 is an apocalyptic number.

It is an amenable number.

401015545 is a deficient number, since it is larger than the sum of its proper divisors (148948679).

401015545 is a wasteful number, since it uses less digits than its factorization.

401015545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11457599.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 401015545 is about 20025.3725308669. The cubic root of 401015545 is about 737.4293227300.

Adding to 401015545 its reverse (545510104), we get a palindrome (946525649).

The spelling of 401015545 in words is "four hundred one million, fifteen thousand, five hundred forty-five".