401703145 has 16 divisors (see below), whose sum is σ = 487736640. Its totient is φ = 317582784.

The previous prime is 401703139. The next prime is 401703163. The reversal of 401703145 is 541307104.

It is a cyclic number.

It is not a de Polignac number, because 401703145 - 2⁷ = 401703017 is a prime.

It is a super-2 number, since 2×401703145² = 322730833405782050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330559 + ... + 331771.

It is an arithmetic number, because the mean of its divisors is an integer number (30483540).

Almost surely, 2^401703145 is an apocalyptic number.

It is an amenable number.

401703145 is a deficient number, since it is larger than the sum of its proper divisors (86033495).

401703145 is a wasteful number, since it uses less digits than its factorization.

401703145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 401703145 is about 20042.5333977519. The cubic root of 401703145 is about 737.8505589945.

The spelling of 401703145 in words is "four hundred one million, seven hundred three thousand, one hundred forty-five".