145240412 has 12 divisors (see below), whose sum is σ = 260081976. Its totient is φ = 70931280.

The previous prime is 145240379. The next prime is 145240441. The reversal of 145240412 is 214042541.

It is a congruent number.

It is an unprimeable number.

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, 422039 + ... + 422382.

It is an arithmetic number, because the mean of its divisors is an integer number (21673498).

Almost surely, 2^145240412 is an apocalyptic number.

It is an amenable number.

145240412 is a deficient number, since it is larger than the sum of its proper divisors (114841564).

145240412 is a wasteful number, since it uses less digits than its factorization.

145240412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844468 (or 844466 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 145240412 is about 12051.5730093627. The cubic root of 145240412 is about 525.6489776336.

Adding to 145240412 its reverse (214042541), we get a palindrome (359282953).

The spelling of 145240412 in words is "one hundred forty-five million, two hundred forty thousand, four hundred twelve".