149570226 has 160 divisors (see below), whose sum is σ = 390297600. Its totient is φ = 42456960.

The previous prime is 149570221. The next prime is 149570227. The reversal of 149570226 is 622075941.

It is not an unprimeable number, because it can be changed into a prime (149570221) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1893255 + ... + 1893333.

It is an arithmetic number, because the mean of its divisors is an integer number (2439360).

Almost surely, 2^149570226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149570226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195148800).

149570226 is an abundant number, since it is smaller than the sum of its proper divisors (240727374).

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

149570226 is a wasteful number, since it uses less digits than its factorization.

149570226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 149570226 is about 12229.8906781704. The cubic root of 149570226 is about 530.8213513743.

The spelling of 149570226 in words is "one hundred forty-nine million, five hundred seventy thousand, two hundred twenty-six".