145004012 has 6 divisors (see below), whose sum is σ = 253757028. Its totient is φ = 72502004.

The previous prime is 145004011. The next prime is 145004021. The reversal of 145004012 is 210400541.

It is a super-2 number, since 2×145004012² = 42052326992192288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145004011) 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 as a sum of consecutive naturals, namely, 18125498 + ... + 18125505.

It is an arithmetic number, because the mean of its divisors is an integer number (42292838).

Almost surely, 2^145004012 is an apocalyptic number.

It is an amenable number.

145004012 is a deficient number, since it is larger than the sum of its proper divisors (108753016).

145004012 is a wasteful number, since it uses less digits than its factorization.

145004012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36251007 (or 36251005 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 145004012 is about 12041.7611668726. The cubic root of 145004012 is about 525.3636325827.

Adding to 145004012 its reverse (210400541), we get a palindrome (355404553).

The spelling of 145004012 in words is "one hundred forty-five million, four thousand, twelve".