145440235401 has 8 divisors (see below), whose sum is σ = 199161403584. Its totient is φ = 94339612080.

The previous prime is 145440235379. The next prime is 145440235471. The reversal of 145440235401 is 104532044541.

It is a happy number.

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

It is not a de Polignac number, because 145440235401 - 2⁹ = 145440234889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145440235471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655136085 + ... + 655136306.

It is an arithmetic number, because the mean of its divisors is an integer number (24895175448).

Almost surely, 2^145440235401 is an apocalyptic number.

It is an amenable number.

145440235401 is a deficient number, since it is larger than the sum of its proper divisors (53721168183).

145440235401 is a wasteful number, since it uses less digits than its factorization.

145440235401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310272431.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 145440235401 its reverse (104532044541), we get a palindrome (249972279942).

The spelling of 145440235401 in words is "one hundred forty-five billion, four hundred forty million, two hundred thirty-five thousand, four hundred one".