151290193 has 2 divisors, whose sum is σ = 151290194. Its totient is φ = 151290192.

The previous prime is 151290131. The next prime is 151290203. The reversal of 151290193 is 391092151.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151216209 + 73984 = 12297^2 + 272^2 .

It is a cyclic number.

It is not a de Polignac number, because 151290193 - 2²¹ = 149193041 is a prime.

It is not a weakly prime, because it can be changed into another prime (151290493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75645096 + 75645097.

It is an arithmetic number, because the mean of its divisors is an integer number (75645097).

Almost surely, 2^151290193 is an apocalyptic number.

It is an amenable number.

151290193 is a deficient number, since it is larger than the sum of its proper divisors (1).

151290193 is an equidigital number, since it uses as much as digits as its factorization.

151290193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 151290193 is about 12300.0078455260. The cubic root of 151290193 is about 532.8483095210.

The spelling of 151290193 in words is "one hundred fifty-one million, two hundred ninety thousand, one hundred ninety-three".