146388820625 has 40 divisors (see below), whose sum is σ = 185774783040. Its totient is φ = 115293080000.

The previous prime is 146388820541. The next prime is 146388820639. The reversal of 146388820625 is 526028883641.

It is not a de Polignac number, because 146388820625 - 2¹⁴ = 146388804241 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 36696131 + ... + 36700119.

It is an arithmetic number, because the mean of its divisors is an integer number (4644369576).

Almost surely, 2^146388820625 is an apocalyptic number.

It is an amenable number.

146388820625 is a deficient number, since it is larger than the sum of its proper divisors (39385962415).

146388820625 is an frugal number, since it uses more digits than its factorization.

146388820625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4907 (or 4892 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 53.

The spelling of 146388820625 in words is "one hundred forty-six billion, three hundred eighty-eight million, eight hundred twenty thousand, six hundred twenty-five".