145434101 has 8 divisors (see below), whose sum is σ = 151080600. Its totient is φ = 139829760.

The previous prime is 145434097. The next prime is 145434103. The reversal of 145434101 is 101434541.

It can be written as a sum of positive squares in 4 ways, for example, as 22800625 + 122633476 = 4775^2 + 11074^2 .

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 145434101 - 2² = 145434097 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145434103) 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, 3416 + ... + 17393.

It is an arithmetic number, because the mean of its divisors is an integer number (18885075).

Almost surely, 2^145434101 is an apocalyptic number.

It is an amenable number.

145434101 is a deficient number, since it is larger than the sum of its proper divisors (5646499).

145434101 is a wasteful number, since it uses less digits than its factorization.

145434101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21079.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 145434101 is about 12059.6061710157. The cubic root of 145434101 is about 525.8825379739.

Adding to 145434101 its reverse (101434541), we get a palindrome (246868642).

The spelling of 145434101 in words is "one hundred forty-five million, four hundred thirty-four thousand, one hundred one".