172462243 has 2 divisors, whose sum is σ = 172462244. Its totient is φ = 172462242.

The previous prime is 172462201. The next prime is 172462249. The reversal of 172462243 is 342264271.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172462243 - 2¹⁷ = 172331171 is a prime.

It is equal to p_9633109 and since 172462243 and 9633109 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (172462249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86231121 + 86231122.

It is an arithmetic number, because the mean of its divisors is an integer number (86231122).

Almost surely, 2^172462243 is an apocalyptic number.

172462243 is a deficient number, since it is larger than the sum of its proper divisors (1).

172462243 is an equidigital number, since it uses as much as digits as its factorization.

172462243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 31.

The square root of 172462243 is about 13132.4880734764. The cubic root of 172462243 is about 556.6275230742.

The spelling of 172462243 in words is "one hundred seventy-two million, four hundred sixty-two thousand, two hundred forty-three".