45953378 has 4 divisors (see below), whose sum is σ = 68930070. Its totient is φ = 22976688.

The previous prime is 45953351. The next prime is 45953423. The reversal of 45953378 is 87335954.

45953378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87335954 = 2 ⋅43667977.

It can be written as a sum of positive squares in only one way, i.e., 41126569 + 4826809 = 6413^2 + 2197^2 .

It is a super-2 number, since 2×45953378² = 4223425899221768, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11488343 + ... + 11488346.

Almost surely, 2^45953378 is an apocalyptic number.

45953378 is a deficient number, since it is larger than the sum of its proper divisors (22976692).

45953378 is a wasteful number, since it uses less digits than its factorization.

45953378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22976691.

The product of its digits is 453600, while the sum is 44.

The square root of 45953378 is about 6778.8920923703. The cubic root of 45953378 is about 358.1836962860.

The spelling of 45953378 in words is "forty-five million, nine hundred fifty-three thousand, three hundred seventy-eight".