146279345 has 4 divisors (see below), whose sum is σ = 175535220. Its totient is φ = 117023472.

The previous prime is 146279321. The next prime is 146279381. The reversal of 146279345 is 543972641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543972641 = 19 ⋅28630139.

It can be written as a sum of positive squares in 2 ways, for example, as 48427681 + 97851664 = 6959^2 + 9892^2 .

It is a cyclic number.

It is not a de Polignac number, because 146279345 - 2²⁰ = 145230769 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14627930 + ... + 14627939.

It is an arithmetic number, because the mean of its divisors is an integer number (43883805).

Almost surely, 2^146279345 is an apocalyptic number.

It is an amenable number.

146279345 is a deficient number, since it is larger than the sum of its proper divisors (29255875).

146279345 is an equidigital number, since it uses as much as digits as its factorization.

146279345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29255874.

The product of its digits is 181440, while the sum is 41.

The square root of 146279345 is about 12094.5998280224. The cubic root of 146279345 is about 526.8993575118.

The spelling of 146279345 in words is "one hundred forty-six million, two hundred seventy-nine thousand, three hundred forty-five".