145122412 has 12 divisors (see below), whose sum is σ = 254174760. Its totient is φ = 72501056.

The previous prime is 145122401. The next prime is 145122413. The reversal of 145122412 is 214221541.

It is not an unprimeable number, because it can be changed into a prime (145122413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9373 + ... + 19444.

It is an arithmetic number, because the mean of its divisors is an integer number (21181230).

Almost surely, 2^145122412 is an apocalyptic number.

It is an amenable number.

145122412 is a deficient number, since it is larger than the sum of its proper divisors (109052348).

145122412 is a wasteful number, since it uses less digits than its factorization.

145122412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30080 (or 30078 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 145122412 is about 12046.6763881164. The cubic root of 145122412 is about 525.5065852516.

Adding to 145122412 its reverse (214221541), we get a palindrome (359343953).

The spelling of 145122412 in words is "one hundred forty-five million, one hundred twenty-two thousand, four hundred twelve".