146045434 has 4 divisors (see below), whose sum is σ = 219068154. Its totient is φ = 73022716.

The previous prime is 146045429. The next prime is 146045441. The reversal of 146045434 is 434540641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434540641 = 271 ⋅1603471.

It can be written as a sum of positive squares in only one way, i.e., 109139809 + 36905625 = 10447^2 + 6075^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 146045396 and 146045405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36511357 + ... + 36511360.

Almost surely, 2^146045434 is an apocalyptic number.

146045434 is a deficient number, since it is larger than the sum of its proper divisors (73022720).

146045434 is an equidigital number, since it uses as much as digits as its factorization.

146045434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73022719.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 146045434 is about 12084.9258996487. The cubic root of 146045434 is about 526.6183579219.

The spelling of 146045434 in words is "one hundred forty-six million, forty-five thousand, four hundred thirty-four".