145303246 has 16 divisors (see below), whose sum is σ = 240126768. Its totient is φ = 65392000.

The previous prime is 145303229. The next prime is 145303261. The reversal of 145303246 is 642303541.

It is a super-2 number, since 2×145303246² = 42226066596273032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 30475 + ... + 34918.

It is an arithmetic number, because the mean of its divisors is an integer number (15007923).

Almost surely, 2^145303246 is an apocalyptic number.

145303246 is a deficient number, since it is larger than the sum of its proper divisors (94823522).

145303246 is a wasteful number, since it uses less digits than its factorization.

145303246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65507.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 145303246 is about 12054.1796070906. The cubic root of 145303246 is about 525.7247689041.

Adding to 145303246 its reverse (642303541), we get a palindrome (787606787).

The spelling of 145303246 in words is "one hundred forty-five million, three hundred three thousand, two hundred forty-six".