45477320 has 32 divisors (see below), whose sum is σ = 116942400. Its totient is φ = 15592128.

The previous prime is 45477319. The next prime is 45477331. The reversal of 45477320 is 2377454.

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, 80930 + ... + 81489.

It is an arithmetic number, because the mean of its divisors is an integer number (3654450).

Almost surely, 2^45477320 is an apocalyptic number.

45477320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45477320 is an abundant number, since it is smaller than the sum of its proper divisors (71465080).

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

45477320 is a wasteful number, since it uses less digits than its factorization.

45477320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162437 (or 162433 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 45477320 is about 6743.6874186160. The cubic root of 45477320 is about 356.9425220073.

The spelling of 45477320 in words is "forty-five million, four hundred seventy-seven thousand, three hundred twenty".