45405330 has 16 divisors (see below), whose sum is σ = 108972864. Its totient is φ = 12108080.

The previous prime is 45405313. The next prime is 45405341. The reversal of 45405330 is 3350454.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 45405330.

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, 756726 + ... + 756785.

It is an arithmetic number, because the mean of its divisors is an integer number (6810804).

Almost surely, 2^45405330 is an apocalyptic number.

45405330 is an abundant number, since it is smaller than the sum of its proper divisors (63567534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45405330 is a wasteful number, since it uses less digits than its factorization.

45405330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513521.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 45405330 is about 6738.3477203243. The cubic root of 45405330 is about 356.7540774297.

Adding to 45405330 its reverse (3350454), we get a palindrome (48755784).

It can be divided in two parts, 454053 and 30, that multiplied together give a triangular number (13621590 = T₅₂₁₉).

The spelling of 45405330 in words is "forty-five million, four hundred five thousand, three hundred thirty".