161414237 has 2 divisors, whose sum is σ = 161414238. Its totient is φ = 161414236.

The previous prime is 161414213. The next prime is 161414251. The reversal of 161414237 is 732414161.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158105476 + 3308761 = 12574^2 + 1819^2 .

It is a cyclic number.

It is not a de Polignac number, because 161414237 - 2²⁴ = 144637021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161414137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80707118 + 80707119.

It is an arithmetic number, because the mean of its divisors is an integer number (80707119).

Almost surely, 2^161414237 is an apocalyptic number.

It is an amenable number.

161414237 is a deficient number, since it is larger than the sum of its proper divisors (1).

161414237 is an equidigital number, since it uses as much as digits as its factorization.

161414237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 29.

The square root of 161414237 is about 12704.8902789438. The cubic root of 161414237 is about 544.4783460664.

Adding to 161414237 its reverse (732414161), we get a palindrome (893828398).

It can be divided in two parts, 1614 and 14237, that added together give a palindrome (15851).

The spelling of 161414237 in words is "one hundred sixty-one million, four hundred fourteen thousand, two hundred thirty-seven".