45938537 has 8 divisors (see below), whose sum is σ = 46542600. Its totient is φ = 45337600.

The previous prime is 45938533. The next prime is 45938549. The reversal of 45938537 is 73583954.

It can be written as a sum of positive squares in 4 ways, for example, as 6046681 + 39891856 = 2459^2 + 6316^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45938537 - 2² = 45938533 is a prime.

It is a super-2 number, since 2×45938537² = 4220698363400738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45938531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44843 + ... + 45855.

It is an arithmetic number, because the mean of its divisors is an integer number (5817825).

Almost surely, 2^45938537 is an apocalyptic number.

It is an amenable number.

45938537 is a deficient number, since it is larger than the sum of its proper divisors (604063).

45938537 is a wasteful number, since it uses less digits than its factorization.

45938537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563.

The product of its digits is 453600, while the sum is 44.

The square root of 45938537 is about 6777.7973560737. The cubic root of 45938537 is about 358.1451327329.

The spelling of 45938537 in words is "forty-five million, nine hundred thirty-eight thousand, five hundred thirty-seven".