151954193 has 2 divisors, whose sum is σ = 151954194. Its totient is φ = 151954192.

The previous prime is 151954183. The next prime is 151954199. The reversal of 151954193 is 391459151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123832384 + 28121809 = 11128^2 + 5303^2 .

It is a cyclic number.

It is not a de Polignac number, because 151954193 - 2⁸ = 151953937 is a prime.

It is not a weakly prime, because it can be changed into another prime (151954199) 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 as a sum of consecutive naturals, namely, 75977096 + 75977097.

It is an arithmetic number, because the mean of its divisors is an integer number (75977097).

Almost surely, 2^151954193 is an apocalyptic number.

It is an amenable number.

151954193 is a deficient number, since it is larger than the sum of its proper divisors (1).

151954193 is an equidigital number, since it uses as much as digits as its factorization.

151954193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300, while the sum is 38.

The square root of 151954193 is about 12326.9701467960. The cubic root of 151954193 is about 533.6267140624.

The spelling of 151954193 in words is "one hundred fifty-one million, nine hundred fifty-four thousand, one hundred ninety-three".