45619405 has 8 divisors (see below), whose sum is σ = 58954392. Its totient is φ = 33688128.

The previous prime is 45619393. The next prime is 45619433. The reversal of 45619405 is 50491654.

It can be written as a sum of positive squares in 4 ways, for example, as 110889 + 45508516 = 333^2 + 6746^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 45619405 - 2²³ = 37230797 is a prime.

It is a super-2 number, since 2×45619405² = 4162260225108050, 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, 350854 + ... + 350983.

It is an arithmetic number, because the mean of its divisors is an integer number (7369299).

Almost surely, 2^45619405 is an apocalyptic number.

It is an amenable number.

45619405 is a deficient number, since it is larger than the sum of its proper divisors (13334987).

45619405 is a wasteful number, since it uses less digits than its factorization.

45619405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701855.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 45619405 is about 6754.2138698741. The cubic root of 45619405 is about 357.3138679304.

The spelling of 45619405 in words is "forty-five million, six hundred nineteen thousand, four hundred five".