145503064401 has 4 divisors (see below), whose sum is σ = 194004085872. Its totient is φ = 97002042932.

The previous prime is 145503064397. The next prime is 145503064411. The reversal of 145503064401 is 104460305541.

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, and also an emirpimes, since its reverse is a distinct semiprime: 104460305541 = 3 ⋅34820101847.

It is a cyclic number.

It is not a de Polignac number, because 145503064401 - 2² = 145503064397 is a prime.

It is a super-2 number, since 2×145503064401² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145503064411) 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, 24250510731 + ... + 24250510736.

It is an arithmetic number, because the mean of its divisors is an integer number (48501021468).

Almost surely, 2^145503064401 is an apocalyptic number.

It is an amenable number.

145503064401 is a deficient number, since it is larger than the sum of its proper divisors (48501021471).

145503064401 is an equidigital number, since it uses as much as digits as its factorization.

145503064401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48501021470.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 145503064401 its reverse (104460305541), we get a palindrome (249963369942).

The spelling of 145503064401 in words is "one hundred forty-five billion, five hundred three million, sixty-four thousand, four hundred one".