37645045 has 8 divisors (see below), whose sum is σ = 46731960. Its totient is φ = 29077440.

The previous prime is 37645039. The next prime is 37645051. The reversal of 37645045 is 54054673.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (37645039) and next prime (37645051).

It can be written as a sum of positive squares in 4 ways, for example, as 2099601 + 35545444 = 1449^2 + 5962^2 .

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

It is not a de Polignac number, because 37645045 - 2³ = 37645037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 37645045.

It is a congruent number.

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, 129666 + ... + 129955.

It is an arithmetic number, because the mean of its divisors is an integer number (5841495).

Almost surely, 2^37645045 is an apocalyptic number.

It is an amenable number.

37645045 is a deficient number, since it is larger than the sum of its proper divisors (9086915).

37645045 is a wasteful number, since it uses less digits than its factorization.

37645045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259655.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 37645045 is about 6135.5558020443. Note that the first 3 decimals coincide. The cubic root of 37645045 is about 335.1474660780.

The spelling of 37645045 in words is "thirty-seven million, six hundred forty-five thousand, forty-five".