401003045 has 16 divisors (see below), whose sum is σ = 504351360. Its totient is φ = 305494464.

The previous prime is 401003041. The next prime is 401003047. The reversal of 401003045 is 540300104.

It is not a de Polignac number, because 401003045 - 2² = 401003041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401003041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18722 + ... + 33948.

It is an arithmetic number, because the mean of its divisors is an integer number (31521960).

Almost surely, 2^401003045 is an apocalyptic number.

It is an amenable number.

401003045 is a deficient number, since it is larger than the sum of its proper divisors (103348315).

401003045 is a wasteful number, since it uses less digits than its factorization.

401003045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15484.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 401003045 is about 20025.0604243782. The cubic root of 401003045 is about 737.4216605479.

Adding to 401003045 its reverse (540300104), we get a palindrome (941303149).

The spelling of 401003045 in words is "four hundred one million, three thousand, forty-five".