145203465 has 16 divisors (see below), whose sum is σ = 253446336. Its totient is φ = 70401600.

The previous prime is 145203419. The next prime is 145203481. The reversal of 145203465 is 564302541.

It is not a de Polignac number, because 145203465 - 2⁷ = 145203337 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 439846 + ... + 440175.

It is an arithmetic number, because the mean of its divisors is an integer number (15840396).

Almost surely, 2^145203465 is an apocalyptic number.

145203465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145203465 is a deficient number, since it is larger than the sum of its proper divisors (108242871).

145203465 is a wasteful number, since it uses less digits than its factorization.

145203465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880040.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 145203465 is about 12050.0400414272. The cubic root of 145203465 is about 525.6044014271.

The spelling of 145203465 in words is "one hundred forty-five million, two hundred three thousand, four hundred sixty-five".