161453049 has 16 divisors (see below), whose sum is σ = 220555008. Its totient is φ = 105023952.

The previous prime is 161453041. The next prime is 161453057. The reversal of 161453049 is 940354161.

It is an interprime number because it is at equal distance from previous prime (161453041) and next prime (161453057).

It is not a de Polignac number, because 161453049 - 2³ = 161453041 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (161453041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17754 + ... + 25260.

It is an arithmetic number, because the mean of its divisors is an integer number (13784688).

Almost surely, 2^161453049 is an apocalyptic number.

It is an amenable number.

161453049 is a deficient number, since it is larger than the sum of its proper divisors (59101959).

161453049 is a wasteful number, since it uses less digits than its factorization.

161453049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7684.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 161453049 is about 12706.4176304732. The cubic root of 161453049 is about 544.5219824487.

The spelling of 161453049 in words is "one hundred sixty-one million, four hundred fifty-three thousand, forty-nine".