145302023055001 has 4 divisors (see below), whose sum is σ = 145466951572404. Its totient is φ = 145137094537600.

The previous prime is 145302023054977. The next prime is 145302023055029. The reversal of 145302023055001 is 100550320203541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45191992805001 + 100110030250000 = 6722499^2 + 10005500^2 .

It is a cyclic number.

It is not a de Polignac number, because 145302023055001 - 2²⁹ = 145301486184089 is a prime.

It is a super-2 number, since 2×145302023055001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145302023055031) 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, 82464257380 + ... + 82464259141.

It is an arithmetic number, because the mean of its divisors is an integer number (36366737893101).

Almost surely, 2^{145302023055001} is an apocalyptic number.

It is an amenable number.

145302023055001 is a deficient number, since it is larger than the sum of its proper divisors (164928517403).

145302023055001 is an equidigital number, since it uses as much as digits as its factorization.

145302023055001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164928517402.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 145302023055001 its reverse (100550320203541), we get a palindrome (245852343258542).

The spelling of 145302023055001 in words is "one hundred forty-five trillion, three hundred two billion, twenty-three million, fifty-five thousand, one".