145888773 has 4 divisors (see below), whose sum is σ = 194518368. Its totient is φ = 97259180.

The previous prime is 145888733. The next prime is 145888819. The reversal of 145888773 is 377888541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 377888541 = 3 ⋅125962847.

It is a cyclic number.

It is not a de Polignac number, because 145888773 - 2⁹ = 145888261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145888703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24314793 + ... + 24314798.

It is an arithmetic number, because the mean of its divisors is an integer number (48629592).

Almost surely, 2^145888773 is an apocalyptic number.

It is an amenable number.

145888773 is a deficient number, since it is larger than the sum of its proper divisors (48629595).

145888773 is an equidigital number, since it uses as much as digits as its factorization.

145888773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48629594.

The product of its digits is 1505280, while the sum is 51.

The square root of 145888773 is about 12078.4424906525. The cubic root of 145888773 is about 526.4299917106.

The spelling of 145888773 in words is "one hundred forty-five million, eight hundred eighty-eight thousand, seven hundred seventy-three".