145606240025 has 6 divisors (see below), whose sum is σ = 180551737662. Its totient is φ = 116484992000.

The previous prime is 145606240019. The next prime is 145606240033. The reversal of 145606240025 is 520042606541.

It can be written as a sum of positive squares in 3 ways, for example, as 38930841481 + 106675398544 = 197309^2 + 326612^2 .

It is not a de Polignac number, because 145606240025 - 2⁴ = 145606240009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2912124776 + ... + 2912124825.

It is an arithmetic number, because the mean of its divisors is an integer number (30091956277).

Almost surely, 2^145606240025 is an apocalyptic number.

It is an amenable number.

145606240025 is a deficient number, since it is larger than the sum of its proper divisors (34945497637).

145606240025 is an equidigital number, since it uses as much as digits as its factorization.

145606240025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5824249611 (or 5824249606 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 145606240025 its reverse (520042606541), we get a palindrome (665648846566).

The spelling of 145606240025 in words is "one hundred forty-five billion, six hundred six million, two hundred forty thousand, twenty-five".