145164641 has 8 divisors (see below), whose sum is σ = 149028768. Its totient is φ = 141316000.

The previous prime is 145164631. The next prime is 145164647. The reversal of 145164641 is 146461541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145164641 - 2⁶ = 145164577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145164598 and 145164607.

It is not an unprimeable number, because it can be changed into a prime (145164647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16526 + ... + 23736.

It is an arithmetic number, because the mean of its divisors is an integer number (18628596).

Almost surely, 2^145164641 is an apocalyptic number.

It is an amenable number.

145164641 is a deficient number, since it is larger than the sum of its proper divisors (3864127).

145164641 is an equidigital number, since it uses as much as digits as its factorization.

145164641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7743.

The product of its digits is 11520, while the sum is 32.

The square root of 145164641 is about 12048.4289847266. The cubic root of 145164641 is about 525.5575524894.

The spelling of 145164641 in words is "one hundred forty-five million, one hundred sixty-four thousand, six hundred forty-one".