146440310454 has 32 divisors (see below), whose sum is σ = 326069936640. Its totient is φ = 48716383176.

The previous prime is 146440310441. The next prime is 146440310479. The reversal of 146440310454 is 454013044641.

146440310454 is a `hidden beast` number, since 1 + 4 + 644 + 0 + 3 + 1 + 0 + 4 + 5 + 4 = 666.

It is a super-2 number, since 2×146440310454² (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 15 ways as a sum of consecutive naturals, for example, 2668522 + ... + 2722845.

It is an arithmetic number, because the mean of its divisors is an integer number (10189685520).

Almost surely, 2^146440310454 is an apocalyptic number.

146440310454 is an abundant number, since it is smaller than the sum of its proper divisors (179629626186).

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

146440310454 is a wasteful number, since it uses less digits than its factorization.

146440310454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5391881 (or 5391875 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 146440310454 in words is "one hundred forty-six billion, four hundred forty million, three hundred ten thousand, four hundred fifty-four".