45678434 has 4 divisors (see below), whose sum is σ = 68517654. Its totient is φ = 22839216.

The previous prime is 45678431. The next prime is 45678463. The reversal of 45678434 is 43487654.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44930209 + 748225 = 6703^2 + 865^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45678391 and 45678400.

It is not an unprimeable number, because it can be changed into a prime (45678431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11419607 + ... + 11419610.

Almost surely, 2^45678434 is an apocalyptic number.

45678434 is a deficient number, since it is larger than the sum of its proper divisors (22839220).

45678434 is a wasteful number, since it uses less digits than its factorization.

45678434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22839219.

The product of its digits is 322560, while the sum is 41.

The square root of 45678434 is about 6758.5822477795. The cubic root of 45678434 is about 357.4679163344.

The spelling of 45678434 in words is "forty-five million, six hundred seventy-eight thousand, four hundred thirty-four".