401254545 has 16 divisors (see below), whose sum is σ = 662717952. Its totient is φ = 207098880.

The previous prime is 401254541. The next prime is 401254561. The reversal of 401254545 is 545452104.

It is not a de Polignac number, because 401254545 - 2² = 401254541 is a prime.

It is a super-2 number, since 2×401254545² = 322010419766314050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401254541) 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, 430992 + ... + 431921.

It is an arithmetic number, because the mean of its divisors is an integer number (41419872).

Almost surely, 2^401254545 is an apocalyptic number.

It is an amenable number.

401254545 is a deficient number, since it is larger than the sum of its proper divisors (261463407).

401254545 is a wasteful number, since it uses less digits than its factorization.

401254545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862952.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 401254545 is about 20031.3390715648. The cubic root of 401254545 is about 737.5757930340.

The spelling of 401254545 in words is "four hundred one million, two hundred fifty-four thousand, five hundred forty-five".