161452415 has 8 divisors (see below), whose sum is σ = 193818048. Its totient is φ = 129111840.

The previous prime is 161452411. The next prime is 161452453. The reversal of 161452415 is 514254161.

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

It is not a de Polignac number, because 161452415 - 2² = 161452411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161452411) 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, 13709 + ... + 22601.

It is an arithmetic number, because the mean of its divisors is an integer number (24227256).

Almost surely, 2^161452415 is an apocalyptic number.

161452415 is a deficient number, since it is larger than the sum of its proper divisors (32365633).

161452415 is an equidigital number, since it uses as much as digits as its factorization.

161452415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12529.

The product of its digits is 4800, while the sum is 29.

The square root of 161452415 is about 12706.3926824256. The cubic root of 161452415 is about 544.5212696978.

The spelling of 161452415 in words is "one hundred sixty-one million, four hundred fifty-two thousand, four hundred fifteen".