401451245 has 8 divisors (see below), whose sum is σ = 518798616. Its totient is φ = 296456256.

The previous prime is 401451229. The next prime is 401451283. The reversal of 401451245 is 542154104.

It can be written as a sum of positive squares in 4 ways, for example, as 1371241 + 400080004 = 1171^2 + 20002^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 401451245 - 2⁴ = 401451229 is a prime.

It is a super-2 number, since 2×401451245² = 322326204224100050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3088022 + ... + 3088151.

It is an arithmetic number, because the mean of its divisors is an integer number (64849827).

Almost surely, 2^401451245 is an apocalyptic number.

It is an amenable number.

401451245 is a deficient number, since it is larger than the sum of its proper divisors (117347371).

401451245 is a wasteful number, since it uses less digits than its factorization.

401451245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6176191.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 401451245 is about 20036.2482765612. The cubic root of 401451245 is about 737.6962963071.

The spelling of 401451245 in words is "four hundred one million, four hundred fifty-one thousand, two hundred forty-five".