400145400153 has 24 divisors (see below), whose sum is σ = 583360377600. Its totient is φ = 264284537184.

The previous prime is 400145400143. The next prime is 400145400157. The reversal of 400145400153 is 351004541004.

It is a happy number.

It is not a de Polignac number, because 400145400153 - 2⁶ = 400145400089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (400145400157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10445208 + ... + 10483446.

It is an arithmetic number, because the mean of its divisors is an integer number (24306682400).

Almost surely, 2^400145400153 is an apocalyptic number.

It is an amenable number.

400145400153 is a deficient number, since it is larger than the sum of its proper divisors (183214977447).

400145400153 is a wasteful number, since it uses less digits than its factorization.

400145400153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49021 (or 49018 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 400145400153 its reverse (351004541004), we get a palindrome (751149941157).

The spelling of 400145400153 in words is "four hundred billion, one hundred forty-five million, four hundred thousand, one hundred fifty-three".