161401342 has 8 divisors (see below), whose sum is σ = 242964432. Its totient is φ = 80413200.

The previous prime is 161401249. The next prime is 161401343. The reversal of 161401342 is 243104161.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161401343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143034 + ... + 144157.

It is an arithmetic number, because the mean of its divisors is an integer number (30370554).

Almost surely, 2^161401342 is an apocalyptic number.

161401342 is a deficient number, since it is larger than the sum of its proper divisors (81563090).

161401342 is a wasteful number, since it uses less digits than its factorization.

161401342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287474.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 161401342 is about 12704.3827870542. The cubic root of 161401342 is about 544.4638466530.

The spelling of 161401342 in words is "one hundred sixty-one million, four hundred one thousand, three hundred forty-two".