145403012 has 12 divisors (see below), whose sum is σ = 255512796. Its totient is φ = 72399360.

The previous prime is 145403003. The next prime is 145403017. The reversal of 145403012 is 210304541.

It can be written as a sum of positive squares in 2 ways, for example, as 132342016 + 13060996 = 11504^2 + 3614^2 .

It is a super-2 number, since 2×145403012² = 42284071797344288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145403017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74453 + ... + 76380.

It is an arithmetic number, because the mean of its divisors is an integer number (21292733).

Almost surely, 2^145403012 is an apocalyptic number.

It is an amenable number.

145403012 is a deficient number, since it is larger than the sum of its proper divisors (110109784).

145403012 is a wasteful number, since it uses less digits than its factorization.

145403012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151078 (or 151076 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 145403012 is about 12058.3171296827. The cubic root of 145403012 is about 525.8450632065.

Adding to 145403012 its reverse (210304541), we get a palindrome (355707553).

The spelling of 145403012 in words is "one hundred forty-five million, four hundred three thousand, twelve".