145141001 has 4 divisors (see below), whose sum is σ = 145719504. Its totient is φ = 144562500.

The previous prime is 145140997. The next prime is 145141037. The reversal of 145141001 is 100141541.

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: 100141541 = 991 ⋅101051.

It is a cyclic number.

It is not a de Polignac number, because 145141001 - 2² = 145140997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145141501) 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, 288875 + ... + 289376.

It is an arithmetic number, because the mean of its divisors is an integer number (36429876).

Almost surely, 2^145141001 is an apocalyptic number.

It is an amenable number.

145141001 is a deficient number, since it is larger than the sum of its proper divisors (578503).

145141001 is an equidigital number, since it uses as much as digits as its factorization.

145141001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578502.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 145141001 is about 12047.4479040169. The cubic root of 145141001 is about 525.5290219993.

Adding to 145141001 its reverse (100141541), we get a palindrome (245282542).

The spelling of 145141001 in words is "one hundred forty-five million, one hundred forty-one thousand, one".