45367890 has 32 divisors (see below), whose sum is σ = 112639680. Its totient is φ = 11680704.

The previous prime is 45367879. The next prime is 45367897. The reversal of 45367890 is 9876354.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45367897) 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, 25204 + ... + 26943.

It is an arithmetic number, because the mean of its divisors is an integer number (3519990).

Almost surely, 2^45367890 is an apocalyptic number.

45367890 is an abundant number, since it is smaller than the sum of its proper divisors (67271790).

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

45367890 is a wasteful number, since it uses less digits than its factorization.

45367890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52186.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 45367890 is about 6735.5690182790. The cubic root of 45367890 is about 356.6559938965.

The spelling of 45367890 in words is "forty-five million, three hundred sixty-seven thousand, eight hundred ninety".