146563745 has 4 divisors (see below), whose sum is σ = 175876500. Its totient is φ = 117250992.

The previous prime is 146563693. The next prime is 146563763. The reversal of 146563745 is 547365641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 547365641 = 79 ⋅6928679.

It can be written as a sum of positive squares in 2 ways, for example, as 65869456 + 80694289 = 8116^2 + 8983^2 .

It is a cyclic number.

It is not a de Polignac number, because 146563745 - 2⁸ = 146563489 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, 14656370 + ... + 14656379.

It is an arithmetic number, because the mean of its divisors is an integer number (43969125).

Almost surely, 2^146563745 is an apocalyptic number.

It is an amenable number.

146563745 is a deficient number, since it is larger than the sum of its proper divisors (29312755).

146563745 is an equidigital number, since it uses as much as digits as its factorization.

146563745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29312754.

The product of its digits is 302400, while the sum is 41.

The square root of 146563745 is about 12106.3514322029. The cubic root of 146563745 is about 527.2406068018.

The spelling of 146563745 in words is "one hundred forty-six million, five hundred sixty-three thousand, seven hundred forty-five".