162546434 has 4 divisors (see below), whose sum is σ = 243819654. Its totient is φ = 81273216.

The previous prime is 162546431. The next prime is 162546491. The reversal of 162546434 is 434645261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434645261 = 10061 ⋅43201.

It can be written as a sum of positive squares in only one way, i.e., 139169209 + 23377225 = 11797^2 + 4835^2 .

It is a super-2 number, since 2×162546434² = 52842686412232712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 162546394 and 162546403.

It is not an unprimeable number, because it can be changed into a prime (162546431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40636607 + ... + 40636610.

Almost surely, 2^162546434 is an apocalyptic number.

162546434 is a deficient number, since it is larger than the sum of its proper divisors (81273220).

162546434 is an equidigital number, since it uses as much as digits as its factorization.

162546434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81273219.

The product of its digits is 69120, while the sum is 35.

The square root of 162546434 is about 12749.3699452169. The cubic root of 162546434 is about 545.7484137468.

The spelling of 162546434 in words is "one hundred sixty-two million, five hundred forty-six thousand, four hundred thirty-four".