149550396 has 24 divisors (see below), whose sum is σ = 353157504. Its totient is φ = 49249200.

The previous prime is 149550391. The next prime is 149550403. The reversal of 149550396 is 693055941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149550391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74080 + ... + 76071.

It is an arithmetic number, because the mean of its divisors is an integer number (14714896).

Almost surely, 2^149550396 is an apocalyptic number.

It is an amenable number.

149550396 is an abundant number, since it is smaller than the sum of its proper divisors (203607108).

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

149550396 is a wasteful number, since it uses less digits than its factorization.

149550396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150241 (or 150239 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 149550396 is about 12229.0799326850. The cubic root of 149550396 is about 530.7978915969.

The spelling of 149550396 in words is "one hundred forty-nine million, five hundred fifty thousand, three hundred ninety-six".