401451045 has 16 divisors (see below), whose sum is σ = 653209920. Its totient is φ = 210477824.

The previous prime is 401451007. The next prime is 401451047. The reversal of 401451045 is 540154104.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 401451045 - 2¹¹ = 401448997 is a prime.

It is a super-2 number, since 2×401451045² = 322325883063184050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401451047) 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, 225924 + ... + 227693.

It is an arithmetic number, because the mean of its divisors is an integer number (40825620).

Almost surely, 2^401451045 is an apocalyptic number.

It is an amenable number.

401451045 is a deficient number, since it is larger than the sum of its proper divisors (251758875).

401451045 is a wasteful number, since it uses less digits than its factorization.

401451045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453684.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 401451045 is about 20036.2432856062. The cubic root of 401451045 is about 737.6961738022.

The spelling of 401451045 in words is "four hundred one million, four hundred fifty-one thousand, forty-five".