149638474142224 has 10 divisors (see below), whose sum is σ = 289924543650590. Its totient is φ = 74819237071104.

The previous prime is 149638474142221. The next prime is 149638474142231. The reversal of 149638474142224 is 422241474836941.

It can be written as a sum of positive squares in only one way, i.e., 90224161849600 + 59414312292624 = 9498640^2 + 7708068^2 .

It is a super-2 number, since 2×149638474142224² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149638474142221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4676202316929 + ... + 4676202316960.

It is an arithmetic number, because the mean of its divisors is an integer number (28992454365059).

Almost surely, 2^{149638474142224} is an apocalyptic number.

It is an amenable number.

149638474142224 is a deficient number, since it is larger than the sum of its proper divisors (140286069508366).

149638474142224 is an equidigital number, since it uses as much as digits as its factorization.

149638474142224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9352404633897 (or 9352404633891 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 61.

The spelling of 149638474142224 in words is "one hundred forty-nine trillion, six hundred thirty-eight billion, four hundred seventy-four million, one hundred forty-two thousand, two hundred twenty-four".