145450473 has 24 divisors (see below), whose sum is σ = 226316448. Its totient is φ = 82849536.

The previous prime is 145450471. The next prime is 145450531. The reversal of 145450473 is 374054541.

It is not a de Polignac number, because 145450473 - 2¹ = 145450471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145450471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50490 + ... + 53292.

It is an arithmetic number, because the mean of its divisors is an integer number (9429852).

Almost surely, 2^145450473 is an apocalyptic number.

It is an amenable number.

145450473 is a deficient number, since it is larger than the sum of its proper divisors (80865975).

145450473 is a wasteful number, since it uses less digits than its factorization.

145450473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173 (or 3166 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 145450473 is about 12060.2849468825. The cubic root of 145450473 is about 525.9022706817.

The spelling of 145450473 in words is "one hundred forty-five million, four hundred fifty thousand, four hundred seventy-three".