145400255423 has 16 divisors (see below), whose sum is σ = 146836553760. Its totient is φ = 143973290496.

The previous prime is 145400255381. The next prime is 145400255443. The reversal of 145400255423 is 324552004541.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145400255423 is a prime.

It is a super-2 number, since 2×145400255423² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145400255443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33065861 + ... + 33070257.

It is an arithmetic number, because the mean of its divisors is an integer number (9177284610).

Almost surely, 2^145400255423 is an apocalyptic number.

145400255423 is a deficient number, since it is larger than the sum of its proper divisors (1436298337).

145400255423 is a wasteful number, since it uses less digits than its factorization.

145400255423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5386.

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 145400255423 its reverse (324552004541), we get a palindrome (469952259964).

The spelling of 145400255423 in words is "one hundred forty-five billion, four hundred million, two hundred fifty-five thousand, four hundred twenty-three".