45408037 has 8 divisors (see below), whose sum is σ = 48206232. Its totient is φ = 42624000.

The previous prime is 45408023. The next prime is 45408047. The reversal of 45408037 is 73080454.

It can be written as a sum of positive squares in 4 ways, for example, as 37933281 + 7474756 = 6159^2 + 2734^2 .

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 45408037 - 2¹⁵ = 45375269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45408047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3487 + ... + 10147.

It is an arithmetic number, because the mean of its divisors is an integer number (6025779).

Almost surely, 2^45408037 is an apocalyptic number.

It is an amenable number.

45408037 is a deficient number, since it is larger than the sum of its proper divisors (2798195).

45408037 is a wasteful number, since it uses less digits than its factorization.

45408037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7079.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 45408037 is about 6738.5485825955. The cubic root of 45408037 is about 356.7611670093.

The spelling of 45408037 in words is "forty-five million, four hundred eight thousand, thirty-seven".