145332301 has 4 divisors (see below), whose sum is σ = 145357632. Its totient is φ = 145306972.
The previous prime is 145332277. The next prime is 145332329. The reversal of 145332301 is 103233541.
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: 103233541 = 347 ⋅297503.
It is a cyclic number.
It is not a de Polignac number, because 145332301 - 211 = 145330253 is a prime.
It is a super-2 number, since 2×1453323012 = 42242955427909202, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145335301) 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, 510 + ... + 17056.
It is an arithmetic number, because the mean of its divisors is an integer number (36339408).
Almost surely, 2145332301 is an apocalyptic number.
It is an amenable number.
145332301 is a deficient number, since it is larger than the sum of its proper divisors (25331).
145332301 is an equidigital number, since it uses as much as digits as its factorization.
145332301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25330.
The product of its (nonzero) digits is 1080, while the sum is 22.
The square root of 145332301 is about 12055.3847304845. The cubic root of 145332301 is about 525.7598080735.
Adding to 145332301 its reverse (103233541), we get a palindrome (248565842).
The spelling of 145332301 in words is "one hundred forty-five million, three hundred thirty-two thousand, three hundred one".
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