149620224 has 160 divisors (see below), whose sum is σ = 439971840. Its totient is φ = 44900352.

The previous prime is 149620201. The next prime is 149620243. The reversal of 149620224 is 422026941.

It is a super-2 number, since 2×149620224² = 44772422859620352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 149620191 and 149620200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1178049 + ... + 1178175.

It is an arithmetic number, because the mean of its divisors is an integer number (2749824).

Almost surely, 2^149620224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149620224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219985920).

149620224 is an abundant number, since it is smaller than the sum of its proper divisors (290351616).

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

149620224 is a wasteful number, since it uses less digits than its factorization.

149620224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 149620224 is about 12231.9345976015. The cubic root of 149620224 is about 530.8804920423.

The spelling of 149620224 in words is "one hundred forty-nine million, six hundred twenty thousand, two hundred twenty-four".