149401718 has 8 divisors (see below), whose sum is σ = 224227848. Its totient is φ = 74659104.

The previous prime is 149401717. The next prime is 149401723. The reversal of 149401718 is 817104941.

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 (149401711) 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, 16196 + ... + 23687.

It is an arithmetic number, because the mean of its divisors is an integer number (28028481).

Almost surely, 2^149401718 is an apocalyptic number.

149401718 is a deficient number, since it is larger than the sum of its proper divisors (74826130).

149401718 is a wasteful number, since it uses less digits than its factorization.

149401718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41758.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 149401718 is about 12222.9995500286. Note that the first 3 decimals coincide. The cubic root of 149401718 is about 530.6219327719.

The spelling of 149401718 in words is "one hundred forty-nine million, four hundred one thousand, seven hundred eighteen".