145343245 has 8 divisors (see below), whose sum is σ = 175785984. Its totient is φ = 115358544.

The previous prime is 145343239. The next prime is 145343249. The reversal of 145343245 is 542343541.

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 145343245 - 2⁹ = 145342733 is a prime.

It is a super-2 number, since 2×145343245² = 42249317734260050, 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 (145343249) 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, 113809 + ... + 115078.

It is an arithmetic number, because the mean of its divisors is an integer number (21973248).

Almost surely, 2^145343245 is an apocalyptic number.

It is an amenable number.

145343245 is a deficient number, since it is larger than the sum of its proper divisors (30442739).

145343245 is a wasteful number, since it uses less digits than its factorization.

145343245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229019.

The product of its digits is 28800, while the sum is 31.

The square root of 145343245 is about 12055.8386269890. The cubic root of 145343245 is about 525.7730048895.

Adding to 145343245 its reverse (542343541), we get a palindrome (687686786).

The spelling of 145343245 in words is "one hundred forty-five million, three hundred forty-three thousand, two hundred forty-five".