161535146 has 8 divisors (see below), whose sum is σ = 247458240. Its totient is φ = 79049068.

The previous prime is 161535107. The next prime is 161535151. The reversal of 161535146 is 641535161.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 859136 + ... + 859323.

It is an arithmetic number, because the mean of its divisors is an integer number (30932280).

Almost surely, 2^161535146 is an apocalyptic number.

161535146 is a deficient number, since it is larger than the sum of its proper divisors (85923094).

161535146 is a wasteful number, since it uses less digits than its factorization.

161535146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718508.

The product of its digits is 10800, while the sum is 32.

The square root of 161535146 is about 12709.6477527900. The cubic root of 161535146 is about 544.6142611772.

The spelling of 161535146 in words is "one hundred sixty-one million, five hundred thirty-five thousand, one hundred forty-six".