37145573 has 2 divisors, whose sum is σ = 37145574. Its totient is φ = 37145572.

The previous prime is 37145569. The next prime is 37145579. The reversal of 37145573 is 37554173.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35022724 + 2122849 = 5918^2 + 1457^2 .

It is a cyclic number.

It is not a de Polignac number, because 37145573 - 2² = 37145569 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37145579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18572786 + 18572787.

It is an arithmetic number, because the mean of its divisors is an integer number (18572787).

Almost surely, 2^37145573 is an apocalyptic number.

It is an amenable number.

37145573 is a deficient number, since it is larger than the sum of its proper divisors (1).

37145573 is an equidigital number, since it uses as much as digits as its factorization.

37145573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44100, while the sum is 35.

The square root of 37145573 is about 6094.7168104843. The cubic root of 37145573 is about 333.6586236775.

The spelling of 37145573 in words is "thirty-seven million, one hundred forty-five thousand, five hundred seventy-three".