145151452 has 24 divisors (see below), whose sum is σ = 258858432. Its totient is φ = 71198400.

The previous prime is 145151449. The next prime is 145151453. The reversal of 145151452 is 254151541.

It is a self number, because there is not a number n which added to its sum of digits gives 145151452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145151453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158877 + ... + 159787.

It is an arithmetic number, because the mean of its divisors is an integer number (10785768).

Almost surely, 2^145151452 is an apocalyptic number.

It is an amenable number.

145151452 is a deficient number, since it is larger than the sum of its proper divisors (113706980).

145151452 is a wasteful number, since it uses less digits than its factorization.

145151452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629 (or 1627 counting only the distinct ones).

The product of its digits is 4000, while the sum is 28.

The square root of 145151452 is about 12047.8816395249. The cubic root of 145151452 is about 525.5416354165.

The spelling of 145151452 in words is "one hundred forty-five million, one hundred fifty-one thousand, four hundred fifty-two".