149794748 has 24 divisors (see below), whose sum is σ = 270336528. Its totient is φ = 72590336.

The previous prime is 149794741. The next prime is 149794789. The reversal of 149794748 is 847497941.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a self number, because there is not a number n which added to its sum of digits gives 149794748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149794741) 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, 13340 + ... + 21852.

It is an arithmetic number, because the mean of its divisors is an integer number (11264022).

Almost surely, 2^149794748 is an apocalyptic number.

It is an amenable number.

149794748 is a deficient number, since it is larger than the sum of its proper divisors (120541780).

149794748 is a wasteful number, since it uses less digits than its factorization.

149794748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8653 (or 8651 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 53.

The square root of 149794748 is about 12239.0664676682. The cubic root of 149794748 is about 531.0868264169.

The spelling of 149794748 in words is "one hundred forty-nine million, seven hundred ninety-four thousand, seven hundred forty-eight".