149194628 has 12 divisors (see below), whose sum is σ = 284826192. Its totient is φ = 67815720.

The previous prime is 149194621. The next prime is 149194667. The reversal of 149194628 is 826491941.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 3390787 = 149194628 / (1 + 4 + 9 + 1 + 9 + 4 + 6 + 2 + 8).

It is not an unprimeable number, because it can be changed into a prime (149194621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1695350 + ... + 1695437.

It is an arithmetic number, because the mean of its divisors is an integer number (23735516).

Almost surely, 2^149194628 is an apocalyptic number.

It is an amenable number.

149194628 is a deficient number, since it is larger than the sum of its proper divisors (135631564).

149194628 is a wasteful number, since it uses less digits than its factorization.

149194628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390802 (or 3390800 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The square root of 149194628 is about 12214.5252875419. The cubic root of 149194628 is about 530.3766493197.

The spelling of 149194628 in words is "one hundred forty-nine million, one hundred ninety-four thousand, six hundred twenty-eight".