141640625 has 48 divisors (see below), whose sum is σ = 211522896. Its totient is φ = 94500000.

The previous prime is 141640619. The next prime is 141640627. The reversal of 141640625 is 526046141.

It can be written as a sum of positive squares in 8 ways, for example, as 131629729 + 10010896 = 11473^2 + 3164^2 .

It is not a de Polignac number, because 141640625 - 2²⁶ = 74531761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141640627) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3828107 + ... + 3828143.

It is an arithmetic number, because the mean of its divisors is an integer number (4406727).

Almost surely, 2^141640625 is an apocalyptic number.

It is an amenable number.

141640625 is a deficient number, since it is larger than the sum of its proper divisors (69882271).

141640625 is an frugal number, since it uses more digits than its factorization.

141640625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 141640625 is about 11901.2866951435. The cubic root of 141640625 is about 521.2698562597.

Adding to 141640625 its reverse (526046141), we get a palindrome (667686766).

The spelling of 141640625 in words is "one hundred forty-one million, six hundred forty thousand, six hundred twenty-five".