145361426321 has 4 divisors (see below), whose sum is σ = 146719944432. Its totient is φ = 144002908212.

The previous prime is 145361426269. The next prime is 145361426381. The reversal of 145361426321 is 123624163541.

145361426321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145361426321 - 2²⁶ = 145294317457 is a prime.

It is a super-2 number, since 2×145361426321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145361426381) 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, 679258895 + ... + 679259108.

It is an arithmetic number, because the mean of its divisors is an integer number (36679986108).

Almost surely, 2^145361426321 is an apocalyptic number.

It is an amenable number.

145361426321 is a deficient number, since it is larger than the sum of its proper divisors (1358518111).

145361426321 is a wasteful number, since it uses less digits than its factorization.

145361426321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358518110.

The product of its digits is 103680, while the sum is 38.

Adding to 145361426321 its reverse (123624163541), we get a palindrome (268985589862).

The spelling of 145361426321 in words is "one hundred forty-five billion, three hundred sixty-one million, four hundred twenty-six thousand, three hundred twenty-one".