32454146 has 4 divisors (see below), whose sum is σ = 48681222. Its totient is φ = 16227072.

The previous prime is 32454119. The next prime is 32454187. The reversal of 32454146 is 64145423.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20475625 + 11978521 = 4525^2 + 3461^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8113535 + ... + 8113538.

Almost surely, 2^32454146 is an apocalyptic number.

32454146 is a deficient number, since it is larger than the sum of its proper divisors (16227076).

32454146 is a wasteful number, since it uses less digits than its factorization.

32454146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16227075.

The product of its digits is 11520, while the sum is 29.

The square root of 32454146 is about 5696.8540441194. The cubic root of 32454146 is about 318.9750605333.

Adding to 32454146 its reverse (64145423), we get a palindrome (96599569).

The spelling of 32454146 in words is "thirty-two million, four hundred fifty-four thousand, one hundred forty-six".