145501450 has 36 divisors (see below), whose sum is σ = 282962358. Its totient is φ = 55660000.

The previous prime is 145501429. The next prime is 145501459. The reversal of 145501450 is 54105541.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 139216401 + 6285049 = 11799^2 + 2507^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (145501459) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 23700 + ... + 29200.

Almost surely, 2^145501450 is an apocalyptic number.

145501450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145501450 is a deficient number, since it is larger than the sum of its proper divisors (137460908).

145501450 is a wasteful number, since it uses less digits than its factorization.

145501450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5559 (or 5531 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 145501450 is about 12062.3981860988. The cubic root of 145501450 is about 525.9637023341.

Adding to 145501450 its reverse (54105541), we get a palindrome (199606991).

The spelling of 145501450 in words is "one hundred forty-five million, five hundred one thousand, four hundred fifty".