145303304421 has 8 divisors (see below), whose sum is σ = 211350261024. Its totient is φ = 88062608720.

The previous prime is 145303304407. The next prime is 145303304429. The reversal of 145303304421 is 124403303541.

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

It is a cyclic number.

It is not a de Polignac number, because 145303304421 - 2¹⁵ = 145303271653 is a prime.

It is a super-2 number, since 2×145303304421² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145303304429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2201565186 + ... + 2201565251.

It is an arithmetic number, because the mean of its divisors is an integer number (26418782628).

Almost surely, 2^145303304421 is an apocalyptic number.

145303304421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

145303304421 is a deficient number, since it is larger than the sum of its proper divisors (66046956603).

145303304421 is a wasteful number, since it uses less digits than its factorization.

145303304421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4403130451.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 145303304421 its reverse (124403303541), we get a palindrome (269706607962).

The spelling of 145303304421 in words is "one hundred forty-five billion, three hundred three million, three hundred four thousand, four hundred twenty-one".