161416145 has 8 divisors (see below), whose sum is σ = 211308480. Its totient is φ = 117393520.

The previous prime is 161416133. The next prime is 161416147. The reversal of 161416145 is 541614161.

It is a happy number.

161416145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 161416145 - 2⁸ = 161415889 is a prime.

It is a super-2 number, since 2×161416145² = 52110343733322050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (161416147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1467365 + ... + 1467474.

It is an arithmetic number, because the mean of its divisors is an integer number (26413560).

Almost surely, 2^161416145 is an apocalyptic number.

It is an amenable number.

161416145 is a deficient number, since it is larger than the sum of its proper divisors (49892335).

161416145 is a wasteful number, since it uses less digits than its factorization.

161416145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934855.

The product of its digits is 2880, while the sum is 29.

The square root of 161416145 is about 12704.9653679182. The cubic root of 161416145 is about 544.4804913968.

The spelling of 161416145 in words is "one hundred sixty-one million, four hundred sixteen thousand, one hundred forty-five".