145597641 has 16 divisors (see below), whose sum is σ = 224990208. Its totient is φ = 82026000.

The previous prime is 145597609. The next prime is 145597649. The reversal of 145597641 is 146795541.

It is not a de Polignac number, because 145597641 - 2⁵ = 145597609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145597593 and 145597602.

It is not an unprimeable number, because it can be changed into a prime (145597649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47335 + ... + 50316.

It is an arithmetic number, because the mean of its divisors is an integer number (14061888).

Almost surely, 2^145597641 is an apocalyptic number.

It is an amenable number.

145597641 is a deficient number, since it is larger than the sum of its proper divisors (79392567).

145597641 is an equidigital number, since it uses as much as digits as its factorization.

145597641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97732.

The product of its digits is 151200, while the sum is 42.

The square root of 145597641 is about 12066.3847526921. The cubic root of 145597641 is about 526.0795816595.

The spelling of 145597641 in words is "one hundred forty-five million, five hundred ninety-seven thousand, six hundred forty-one".