46134778 has 4 divisors (see below), whose sum is σ = 69202170. Its totient is φ = 23067388.

The previous prime is 46134773. The next prime is 46134797. The reversal of 46134778 is 87743164.

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., 43784689 + 2350089 = 6617^2 + 1533^2 .

It is a super-2 number, since 2×46134778² = 4256835482218568, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 46134778.

It is not an unprimeable number, because it can be changed into a prime (46134773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11533693 + ... + 11533696.

Almost surely, 2^46134778 is an apocalyptic number.

46134778 is a deficient number, since it is larger than the sum of its proper divisors (23067392).

46134778 is a wasteful number, since it uses less digits than its factorization.

46134778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23067391.

The product of its digits is 112896, while the sum is 40.

The square root of 46134778 is about 6792.2586817641. The cubic root of 46134778 is about 358.6543850372.

The spelling of 46134778 in words is "forty-six million, one hundred thirty-four thousand, seven hundred seventy-eight".