145401326406 has 48 divisors (see below), whose sum is σ = 360461765664. Its totient is φ = 41494730112.

The previous prime is 145401326387. The next prime is 145401326449. The reversal of 145401326406 is 604623104541.

145401326406 is a `hidden beast` number, since 1 + 4 + 5 + 4 + 0 + 1 + 3 + 2 + 640 + 6 = 666.

It is a super-2 number, since 2×145401326406² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 565285 + ... + 781248.

It is an arithmetic number, because the mean of its divisors is an integer number (7509620118).

Almost surely, 2^145401326406 is an apocalyptic number.

145401326406 is an abundant number, since it is smaller than the sum of its proper divisors (215060439258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145401326406 is a wasteful number, since it uses less digits than its factorization.

145401326406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347405 (or 1347402 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 145401326406 in words is "one hundred forty-five billion, four hundred one million, three hundred twenty-six thousand, four hundred six".