146224356254440 has 16 divisors (see below), whose sum is σ = 329004801572580. Its totient is φ = 58489742501760.

The previous prime is 146224356254437. The next prime is 146224356254519. The reversal of 146224356254440 is 44452653422641.

It can be written as a sum of positive squares in 2 ways, for example, as 136630804010724 + 9593552243716 = 11688918^2 + 3097346^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1827804453141 + ... + 1827804453220.

Almost surely, 2^{146224356254440} is an apocalyptic number.

146224356254440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146224356254440 is an abundant number, since it is smaller than the sum of its proper divisors (182780445318140).

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

146224356254440 is a wasteful number, since it uses less digits than its factorization.

146224356254440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3655608906372 (or 3655608906368 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 52.

The spelling of 146224356254440 in words is "one hundred forty-six trillion, two hundred twenty-four billion, three hundred fifty-six million, two hundred fifty-four thousand, four hundred forty".