145332346 has 8 divisors (see below), whose sum is σ = 223068384. Its totient is φ = 70976220.

The previous prime is 145332329. The next prime is 145332347. The reversal of 145332346 is 643233541.

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

It is a super-2 number, since 2×145332346² = 42242981587727432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145332347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844870 + ... + 845041.

It is an arithmetic number, because the mean of its divisors is an integer number (27883548).

Almost surely, 2^145332346 is an apocalyptic number.

145332346 is a deficient number, since it is larger than the sum of its proper divisors (77736038).

145332346 is a wasteful number, since it uses less digits than its factorization.

145332346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689956.

The product of its digits is 25920, while the sum is 31.

The square root of 145332346 is about 12055.3865968703. The cubic root of 145332346 is about 525.7598623381.

Adding to 145332346 its reverse (643233541), we get a palindrome (788565887).

The spelling of 145332346 in words is "one hundred forty-five million, three hundred thirty-two thousand, three hundred forty-six".