161460146 has 16 divisors (see below), whose sum is σ = 244220184. Its totient is φ = 80056704.

The previous prime is 161460097. The next prime is 161460209. The reversal of 161460146 is 641064161.

It can be written as a sum of positive squares in 4 ways, for example, as 125328025 + 36132121 = 11195^2 + 6011^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147176 + ... + 148268.

Almost surely, 2^161460146 is an apocalyptic number.

161460146 is a deficient number, since it is larger than the sum of its proper divisors (82760038).

161460146 is a wasteful number, since it uses less digits than its factorization.

161460146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 161460146 is about 12706.6968957318. The cubic root of 161460146 is about 544.5299608587.

The spelling of 161460146 in words is "one hundred sixty-one million, four hundred sixty thousand, one hundred forty-six".