45122506 has 16 divisors (see below), whose sum is σ = 79517088. Its totient is φ = 18932400.

The previous prime is 45122503. The next prime is 45122507. The reversal of 45122506 is 60522154.

It is a super-4 number, since 4×45122506⁴ (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (45122503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78600 + ... + 79171.

It is an arithmetic number, because the mean of its divisors is an integer number (4969818).

Almost surely, 2^45122506 is an apocalyptic number.

45122506 is a deficient number, since it is larger than the sum of its proper divisors (34394582).

45122506 is a wasteful number, since it uses less digits than its factorization.

45122506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157797.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 45122506 is about 6717.3287845691. The cubic root of 45122506 is about 356.0118089337.

The spelling of 45122506 in words is "forty-five million, one hundred twenty-two thousand, five hundred six".