400145102351 has 4 divisors (see below), whose sum is σ = 400376001432. Its totient is φ = 399914203272.

The previous prime is 400145102339. The next prime is 400145102411. The reversal of 400145102351 is 153201541004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 400145102351 - 2¹⁰ = 400145101327 is a prime.

It is a super-2 number, since 2×400145102351² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 400145102351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400145102311) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 115446941 + ... + 115450406.

It is an arithmetic number, because the mean of its divisors is an integer number (100094000358).

Almost surely, 2^400145102351 is an apocalyptic number.

400145102351 is a deficient number, since it is larger than the sum of its proper divisors (230899081).

400145102351 is a wasteful number, since it uses less digits than its factorization.

400145102351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230899080.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 400145102351 its reverse (153201541004), we get a palindrome (553346643355).

The spelling of 400145102351 in words is "four hundred billion, one hundred forty-five million, one hundred two thousand, three hundred fifty-one".