45023405 has 24 divisors (see below), whose sum is σ = 63387648. Its totient is φ = 30608928.

The previous prime is 45023393. The next prime is 45023417. The reversal of 45023405 is 50432054.

It is an interprime number because it is at equal distance from previous prime (45023393) and next prime (45023417).

It is not a de Polignac number, because 45023405 - 2⁴ = 45023389 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 30392 + ... + 31838.

It is an arithmetic number, because the mean of its divisors is an integer number (2641152).

Almost surely, 2^45023405 is an apocalyptic number.

It is an amenable number.

45023405 is a deficient number, since it is larger than the sum of its proper divisors (18364243).

45023405 is a wasteful number, since it uses less digits than its factorization.

45023405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593 (or 1586 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 45023405 is about 6709.9482114246. The cubic root of 45023405 is about 355.7509857520.

Adding to 45023405 its reverse (50432054), we get a palindrome (95455459).

The spelling of 45023405 in words is "forty-five million, twenty-three thousand, four hundred five".