151530194 has 16 divisors (see below), whose sum is σ = 232943040. Its totient is φ = 73888080.

The previous prime is 151530193. The next prime is 151530217. The reversal of 151530194 is 491035151.

It is a super-2 number, since 2×151530194² = 45922799387355272, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (151530193) 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, 87812 + ... + 89520.

It is an arithmetic number, because the mean of its divisors is an integer number (14558940).

Almost surely, 2^151530194 is an apocalyptic number.

151530194 is a deficient number, since it is larger than the sum of its proper divisors (81412846).

151530194 is a wasteful number, since it uses less digits than its factorization.

151530194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 151530194 is about 12309.7601113913. The cubic root of 151530194 is about 533.1299240804.

The spelling of 151530194 in words is "one hundred fifty-one million, five hundred thirty thousand, one hundred ninety-four".