146444073 has 4 divisors (see below), whose sum is σ = 195258768. Its totient is φ = 97629380.

The previous prime is 146444047. The next prime is 146444131. The reversal of 146444073 is 370444641.

146444073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 146444073 - 2¹³ = 146435881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146444033) 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, 24407343 + ... + 24407348.

It is an arithmetic number, because the mean of its divisors is an integer number (48814692).

Almost surely, 2^146444073 is an apocalyptic number.

It is an amenable number.

146444073 is a deficient number, since it is larger than the sum of its proper divisors (48814695).

146444073 is an equidigital number, since it uses as much as digits as its factorization.

146444073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48814694.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 146444073 is about 12101.4078932990. The cubic root of 146444073 is about 527.0970671684.

The spelling of 146444073 in words is "one hundred forty-six million, four hundred forty-four thousand, seventy-three".