45405415 has 8 divisors (see below), whose sum is σ = 59439888. Its totient is φ = 33022080.

The previous prime is 45405403. The next prime is 45405439. The reversal of 45405415 is 51450454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45405415 - 2¹¹ = 45403367 is a prime.

It is a super-2 number, since 2×45405415² = 4123303422644450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 412722 + ... + 412831.

It is an arithmetic number, because the mean of its divisors is an integer number (7429986).

Almost surely, 2^45405415 is an apocalyptic number.

45405415 is a deficient number, since it is larger than the sum of its proper divisors (14034473).

45405415 is a wasteful number, since it uses less digits than its factorization.

45405415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825569.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 45405415 is about 6738.3540275055. The cubic root of 45405415 is about 356.7543000474.

Adding to 45405415 its reverse (51450454), we get a palindrome (96855869).

The spelling of 45405415 in words is "forty-five million, four hundred five thousand, four hundred fifteen".