149575722 has 8 divisors (see below), whose sum is σ = 299151456. Its totient is φ = 49858572.

The previous prime is 149575717. The next prime is 149575747. The reversal of 149575722 is 227575941.

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

149575722 is an admirable number.

It is a super-2 number, since 2×149575722² = 44745793223642568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12464638 + ... + 12464649.

It is an arithmetic number, because the mean of its divisors is an integer number (37393932).

Almost surely, 2^149575722 is an apocalyptic number.

149575722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149575722 is a wasteful number, since it uses less digits than its factorization.

149575722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24929292.

The product of its digits is 176400, while the sum is 42.

The square root of 149575722 is about 12230.1153714918. The cubic root of 149575722 is about 530.8278530213.

The spelling of 149575722 in words is "one hundred forty-nine million, five hundred seventy-five thousand, seven hundred twenty-two".