145211124 has 24 divisors (see below), whose sum is σ = 339357088. Its totient is φ = 48327840.

The previous prime is 145211123. The next prime is 145211137. The reversal of 145211124 is 421112541.

It is a self number, because there is not a number n which added to its sum of digits gives 145211124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145211123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1222 + ... + 17085.

Almost surely, 2^145211124 is an apocalyptic number.

It is an amenable number.

145211124 is an abundant number, since it is smaller than the sum of its proper divisors (194145964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145211124 is a wasteful number, since it uses less digits than its factorization.

145211124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18975 (or 18973 counting only the distinct ones).

The product of its digits is 320, while the sum is 21.

The square root of 145211124 is about 12050.3578370105. The cubic root of 145211124 is about 525.6136425595.

Adding to 145211124 its reverse (421112541), we get a palindrome (566323665).

The spelling of 145211124 in words is "one hundred forty-five million, two hundred eleven thousand, one hundred twenty-four".