146238809672 has 36 divisors (see below), whose sum is σ = 279578520585. Its totient is φ = 71711671200.

The previous prime is 146238809669. The next prime is 146238809681. The reversal of 146238809672 is 276908832641.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

146238809672 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 138716022916 + 7522786756 = 372446^2 + 86734^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=270406.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 57324797 + ... + 57327347.

Almost surely, 2^146238809672 is an apocalyptic number.

It is an amenable number.

146238809672 is a deficient number, since it is larger than the sum of its proper divisors (133339710913).

146238809672 is an frugal number, since it uses more digits than its factorization.

146238809672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214 (or 2606 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 146238809672 in words is "one hundred forty-six billion, two hundred thirty-eight million, eight hundred nine thousand, six hundred seventy-two".