149428844 has 24 divisors (see below), whose sum is σ = 291458160. Its totient is φ = 66617856.

The previous prime is 149428841. The next prime is 149428847. The reversal of 149428844 is 448824941.

It is an interprime number because it is at equal distance from previous prime (149428841) and next prime (149428847).

It is a junction number, because it is equal to n+sod(n) for n = 149428795 and 149428804.

It is not an unprimeable number, because it can be changed into a prime (149428841) 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, 56537 + ... + 59120.

It is an arithmetic number, because the mean of its divisors is an integer number (12144090).

Almost surely, 2^149428844 is an apocalyptic number.

It is an amenable number.

149428844 is a deficient number, since it is larger than the sum of its proper divisors (142029316).

149428844 is a wasteful number, since it uses less digits than its factorization.

149428844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115697 (or 115695 counting only the distinct ones).

The product of its digits is 294912, while the sum is 44.

The square root of 149428844 is about 12224.1091290940. The cubic root of 149428844 is about 530.6540448067.

The spelling of 149428844 in words is "one hundred forty-nine million, four hundred twenty-eight thousand, eight hundred forty-four".