151889194 has 16 divisors (see below), whose sum is σ = 238881600. Its totient is φ = 72293760.

The previous prime is 151889161. The next prime is 151889209. The reversal of 151889194 is 491988151.

151889194 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1882 + ... + 17530.

It is an arithmetic number, because the mean of its divisors is an integer number (14930100).

Almost surely, 2^151889194 is an apocalyptic number.

151889194 is a deficient number, since it is larger than the sum of its proper divisors (86992406).

151889194 is a wasteful number, since it uses less digits than its factorization.

151889194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15885.

The product of its digits is 103680, while the sum is 46.

The square root of 151889194 is about 12324.3334099658. Note that the first 3 decimals coincide. The cubic root of 151889194 is about 533.5506162400.

The spelling of 151889194 in words is "one hundred fifty-one million, eight hundred eighty-nine thousand, one hundred ninety-four".