145303012 has 24 divisors (see below), whose sum is σ = 271063800. Its totient is φ = 67914240.

The previous prime is 145303001. The next prime is 145303031. The reversal of 145303012 is 210303541.

It can be written as a sum of positive squares in 4 ways, for example, as 4096 + 145298916 = 64^2 + 12054^2 .

It is a super-3 number, since 3×145303012³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2962 + ... + 17302.

It is an arithmetic number, because the mean of its divisors is an integer number (11294325).

Almost surely, 2^145303012 is an apocalyptic number.

It is an amenable number.

145303012 is a deficient number, since it is larger than the sum of its proper divisors (125760788).

145303012 is a wasteful number, since it uses less digits than its factorization.

145303012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14511 (or 14509 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 145303012 is about 12054.1699009098. The cubic root of 145303012 is about 525.7244866905.

Adding to 145303012 its reverse (210303541), we get a palindrome (355606553).

The spelling of 145303012 in words is "one hundred forty-five million, three hundred three thousand, twelve".