145204662401 has 4 divisors (see below), whose sum is σ = 146249300400. Its totient is φ = 144160024404.

The previous prime is 145204662341. The next prime is 145204662409. The reversal of 145204662401 is 104266402541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145204662401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145204662409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522318791 + ... + 522319068.

It is an arithmetic number, because the mean of its divisors is an integer number (36562325100).

Almost surely, 2^145204662401 is an apocalyptic number.

It is an amenable number.

145204662401 is a deficient number, since it is larger than the sum of its proper divisors (1044637999).

145204662401 is a wasteful number, since it uses less digits than its factorization.

145204662401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044637998.

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 145204662401 in words is "one hundred forty-five billion, two hundred four million, six hundred sixty-two thousand, four hundred one".