145013450 has 36 divisors (see below), whose sum is σ = 273662358. Its totient is φ = 57170400.

The previous prime is 145013447. The next prime is 145013461. The reversal of 145013450 is 54310541.

It can be written as a sum of positive squares in 3 ways, for example, as 57047809 + 87965641 = 7553^2 + 9379^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 344240 + ... + 344660.

Almost surely, 2^145013450 is an apocalyptic number.

145013450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145013450 is a deficient number, since it is larger than the sum of its proper divisors (128648908).

145013450 is an equidigital number, since it uses as much as digits as its factorization.

145013450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 145013450 is about 12042.1530466939. The cubic root of 145013450 is about 525.3750305992.

Adding to 145013450 its reverse (54310541), we get a palindrome (199323991).

The spelling of 145013450 in words is "one hundred forty-five million, thirteen thousand, four hundred fifty".