45319505 has 32 divisors (see below), whose sum is σ = 69113088. Its totient is φ = 27705600.

The previous prime is 45319481. The next prime is 45319543. The reversal of 45319505 is 50591354.

It is not a de Polignac number, because 45319505 - 2¹² = 45315409 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19295 + ... + 21515.

It is an arithmetic number, because the mean of its divisors is an integer number (2159784).

Almost surely, 2^45319505 is an apocalyptic number.

It is an amenable number.

45319505 is a deficient number, since it is larger than the sum of its proper divisors (23793583).

45319505 is a wasteful number, since it uses less digits than its factorization.

45319505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 45319505 is about 6731.9763071478. The cubic root of 45319505 is about 356.5291572086.

The spelling of 45319505 in words is "forty-five million, three hundred nineteen thousand, five hundred five".