45390930 has 32 divisors (see below), whose sum is σ = 117319104. Its totient is φ = 11173056.

The previous prime is 45390923. The next prime is 45390931. The reversal of 45390930 is 3909354.

It is a junction number, because it is equal to n+sod(n) for n = 45390891 and 45390900.

It is not an unprimeable number, because it can be changed into a prime (45390931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57804 + ... + 58583.

It is an arithmetic number, because the mean of its divisors is an integer number (3666222).

Almost surely, 2^45390930 is an apocalyptic number.

45390930 is an abundant number, since it is smaller than the sum of its proper divisors (71928174).

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

45390930 is a wasteful number, since it uses less digits than its factorization.

45390930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116410.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 45390930 is about 6737.2791243944. The cubic root of 45390930 is about 356.7163593770.

The spelling of 45390930 in words is "forty-five million, three hundred ninety thousand, nine hundred thirty".