400141045 has 16 divisors (see below), whose sum is σ = 506306880. Its totient is φ = 302745600.

The previous prime is 400141031. The next prime is 400141069. The reversal of 400141045 is 540141004.

It is not a de Polignac number, because 400141045 - 2¹³ = 400132853 is a prime.

It is a super-2 number, since 2×400141045² = 320225711787384050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 15 ways as a sum of consecutive naturals, for example, 57610 + ... + 64180.

It is an arithmetic number, because the mean of its divisors is an integer number (31644180).

Almost surely, 2^400141045 is an apocalyptic number.

It is an amenable number.

400141045 is a deficient number, since it is larger than the sum of its proper divisors (106165835).

400141045 is a wasteful number, since it uses less digits than its factorization.

400141045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7236.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 400141045 is about 20003.5258142159. The cubic root of 400141045 is about 736.8928919215.

Adding to 400141045 its reverse (540141004), we get a palindrome (940282049).

The spelling of 400141045 in words is "four hundred million, one hundred forty-one thousand, forty-five".