145342215401 has 4 divisors (see below), whose sum is σ = 145921268304. Its totient is φ = 144763162500.

The previous prime is 145342215349. The next prime is 145342215433. The reversal of 145342215401 is 104512243541.

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: 104512243541 = 2297 ⋅45499453.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145342215401 is a prime.

It is a super-2 number, since 2×145342215401² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145342215451) 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, 289526075 + ... + 289526576.

It is an arithmetic number, because the mean of its divisors is an integer number (36480317076).

Almost surely, 2^145342215401 is an apocalyptic number.

It is an amenable number.

145342215401 is a deficient number, since it is larger than the sum of its proper divisors (579052903).

145342215401 is an equidigital number, since it uses as much as digits as its factorization.

145342215401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579052902.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 145342215401 its reverse (104512243541), we get a palindrome (249854458942).

The spelling of 145342215401 in words is "one hundred forty-five billion, three hundred forty-two million, two hundred fifteen thousand, four hundred one".