45943394 has 16 divisors (see below), whose sum is σ = 78851328. Its totient is φ = 19667232.

The previous prime is 45943357. The next prime is 45943423. The reversal of 45943394 is 49334954.

It is a super-2 number, since 2×45943394² = 4221590904478472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17342 + ... + 19814.

It is an arithmetic number, because the mean of its divisors is an integer number (4928208).

Almost surely, 2^45943394 is an apocalyptic number.

45943394 is a deficient number, since it is larger than the sum of its proper divisors (32907934).

45943394 is a wasteful number, since it uses less digits than its factorization.

45943394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3809.

The product of its digits is 233280, while the sum is 41.

The square root of 45943394 is about 6778.1556488473. The cubic root of 45943394 is about 358.1577543045.

The spelling of 45943394 in words is "forty-five million, nine hundred forty-three thousand, three hundred ninety-four".