161453514 has 32 divisors (see below), whose sum is σ = 337582080. Its totient is φ = 51380912.

The previous prime is 161453497. The next prime is 161453521. The reversal of 161453514 is 415354161.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121747 + ... + 123065.

It is an arithmetic number, because the mean of its divisors is an integer number (10549440).

Almost surely, 2^161453514 is an apocalyptic number.

161453514 is an abundant number, since it is smaller than the sum of its proper divisors (176128566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161453514 is a wasteful number, since it uses less digits than its factorization.

161453514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234.

The product of its digits is 7200, while the sum is 30.

The square root of 161453514 is about 12706.4359283003. The cubic root of 161453514 is about 544.5225052064.

The spelling of 161453514 in words is "one hundred sixty-one million, four hundred fifty-three thousand, five hundred fourteen".