145873773 has 24 divisors (see below), whose sum is σ = 223123680. Its totient is φ = 91579680.

The previous prime is 145873747. The next prime is 145873823. The reversal of 145873773 is 377378541.

It is not a de Polignac number, because 145873773 - 2⁶ = 145873709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145873733) 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, 27118 + ... + 32048.

It is an arithmetic number, because the mean of its divisors is an integer number (9296820).

Almost surely, 2^145873773 is an apocalyptic number.

It is an amenable number.

145873773 is a deficient number, since it is larger than the sum of its proper divisors (77249907).

145873773 is a wasteful number, since it uses less digits than its factorization.

145873773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5129 (or 5126 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 145873773 is about 12077.8215337038. The cubic root of 145873773 is about 526.4119489228.

The spelling of 145873773 in words is "one hundred forty-five million, eight hundred seventy-three thousand, seven hundred seventy-three".